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Publications list

Bibliography of Sendov Conjecture

December 20, 2010 – 23:44
  1. Aziz, A.: On the zeros of a polynomial and its derivative, Bull. Austr. Math. Soc. 31, n. 4 (1985), 245 – 255.
  2. Bidkham M. and K. K. Dewan: Inequalities for a polynomial and its derivatives, J. Math. Anal. Appl. 166 (1992), 319 324.
  3. Bojanov, B. D.: The conjecture of Sendov about the critical points of polynomials, Fiz. Mat. Spisanie (1984), 140 – 150 (in Bulgarian).
  4. Bojanov, B. D., Q. I. Rahman and J. Szynal: On a conjecture of Sendov about the critical points of a polynomial, Math. Z. 190 (1985), 281 – 285.
  5. Bojanov, B. D., Q. I. Rahman and J. Szynal: On a conjecture about the critical points of a polynomial, In: Delay Equations, Approximation and Application (G. Meinardus and G N\”{u}rnberg, Eds.), ISNM 74, Birkh\”{a}user Verlag, Basel, 1985, 83 – 93.
  6. Borcea, J.: Dualities, affine vertex operator algebras, and geometry of complex polynomials, Dissertation, Lund University, 1988.
  7. Borcea, J.: On the Sendov conjecture for polynomials with at most six distinct zeros, J. Math. Anal. Appl. 200, n. 1 (1996), 182 – 206.
  8. Borcea, J.: The Sendov conjecture for polynomials with at most seven distinct roots, Analysis 16 (1996), 137 – 159.
  9. Borcea, J.: Two approaches to Sendov’s conjecture, Arhiv der Mathematik 71, n. 1 (1998), 46 – 54.
  10. Brannan, D. A.: On univalent polynomials and related functions, Thesis, University of London, 1967.
  11. Brannan, D. A.: On a conjecture of Ilieff, Math. Proc. Cambridge Phil. Soc. 64 (1968), 83 – 85.
  12. Brown, J. E.: On the Ilieff-Sendov conjecture, Pacific J. Math. 135 (1988), 223 – 232.
  13. Brown, J. E.: On the Sendov conjecture for sixth degree polynomials, Proc. Amer. Math. Soc. 113, n. 4 (1991), 939 – 946.
  14. Brown, J. E.: A proof of the Sendov conjecture for polynomials of degree seven. Complex Variables Theory Appl. 33, n. 1-4 (1997), 75–95.
  15. Brown, J. E.: On the Sendov’s Conjecture for polynomials with real critical points, Contemporary Mathematics 252 (1999), 49 – 62.
  16. Brown, J. E. and G. Xiang: Proof of the Sendov conjecture for polynomials of degree at most eight, J. Math. Anal. Appl. 232, n. 2 (1999), 272–292.
  17. Byrne, A.: Some results for Sendov conjecture, J. Math Anal. Appl. 199 (1996), 754 – 768.
  18. Byrne, A.: Results Pertaining to the Sendov conjecture, J. Math Anal. Appl. 212 (1997), 333 – 342.
  19. Cohen, G. L. and G. H. Smith: A proof of Iliev’s conjecture for polynomials with four zeros, Elemente d. Math. 43 (1988), 18 – 21.
  20. Cohen, G. L. and G. H. Smith: A simple verification of Iliev’s conjecture for polynomials with three zeros, Amer. Math. Mountly 95 (1988), 734 – 737.
  21. Dimitrov, D. G.: On a conjecture of Sendov, C. R. Acad. Bulg. Sci. 36, n. 5 (1983), 561 – 563.
  22. Dronka, J.: On the zeros of a polynomial and its derivative. Zeszyty Nauk. Politech. Rzeszowskiej. Mat. Fiz. n. 9 (1989), 33–36.
  23. Dronka, J.; Sok\’{o}l, J.: On the location of critical points of some complex polynomials. Demonstratio Math. 32, n. 2 (1999), 297–302.
  24. Gacs, G.: On polynomials whose zeros are in the unit disk, J. Math. Anal. Appl. 36 (1971), 627 – 637.
  25. Goodman, A. W.: On the derivative with respect to a point, Proc. Amer. Math. Soc. 101 (1987), no. 2, 327–330.
  26. Goodman, A. W.: On the zeros of the derivative of a rational function, J. Math. Anal. Appl. 132 (1988), no. 2, 447–452.
  27. Goodman, A. G., Q. I. Rahman and J. Ratti: On the zeros of a polynomial and its derivative, Proc. Amer. Math. Soc. 21 (1969), 273 – 274.
  28. Hayman, W. K.: Research Problems in Function Theory, Althlone Press, London, 1967.
  29. Istr\v{a}\c{t}escu, V. I.: Zeros of Problems, Selected Topics, Romania, 1988.
  30. Joyal, A.: On the zeros of a polynomial and its derivative, J. Math. Anal. Appl. 25 (1969), 315 – 317.
  31. Kasten, Volker: The Sendov conjecture and the maximum principle, Workshop on Complex Analysis (Lublin, 1994), Ann. Univ. Mariae Curie-Sk\l odowska Sect. A 48 (1994), 52–59.
  32. Katsoprinakis, E. S.: On the Sendov-Ilieff conjecture, Preprint n. 29, 1994, University of Crete.
  33. Katsoprinakis, E. S.: On the Sendov-Ilieff conjecture, Bull. London Math. Soc. 24 (1992), 449 – 455.
  34. Katsoprinakis, E. S.: Erratum to “On the Sendov-Ilieff conjecture”, Bull. London Math. Soc. 28 (1996), 605 – 612.
  35. Kjurkchiev, N.: On Sendov’s conjecture, C. R. Acad. Bulg. Sci. 45, n. 10 (1992), 21 – 22.
  36. Kumar, S. and B. G. Shenoy: A note on the Ilyeff-Sendov conjecture, Indian J. Pure Appl. Math. 21, n. 11 (1990), 981–983.
  37. Kumar, S. and B. G. Shenoy: On some counterexamples for a conjecture in geometry of polynomials, Zeszyty Nauk. Politech. Rzeszowskiej Mat. Fiz. n. 12 (1991), 47 – 51.
  38. Kumar, S. and B. G. Shenoy: On the Sendov-Ilieff conjecture for polynomials with at most five zeros, J. Math. Anal. Appl. 171 (1992), 595 – 600.
  39. Kumar, S. and B. G. Shenoy: A note on the Ilyeff-Sendov conjecture for polynomials of arbitrary degree with multiple zeros, Indian J. Pure Appl. Math. 25, n. 5 (1994), 489 – 495.
  40. Lagrevin, M.: Sphere de Riemann at G\’eom\’etrie des polynomials, Lect. Notes Math. 1415 (1990), 138 – 150.
  41. Marden, A. and P. Marden: Morris Marden (1905 – 1991), J. Complex Variables 26, (1994), 183 -186.
  42. Marden, M.: Geometry of Polynomials, 2nd edition, Math. Surveys Monographs, 3, Amer. Math. Soc., Providence, RI, 1966.
  43. Marden, M.: Much ado about nothing, Amer. Math. Mounthly 83 (1976), 788 – 798.
  44. Marden, M.: On the critical points of a polynomial, Tensor (N. S.) 39 (1982), 124 – 126.
  45. Marden, M.: Conjectures on the critical points of a polynomial, Amer. Math. Mounthly 90 (1983), 267 – 276.
  46. Marden, M.: The search for a Roll’s theorem in the complex plain, Amer. Math. Mounthly 92 (1984), 643 – 650.
  47. McCoy, T. L.: A principle of O. Sz\’{a}sz and the Sendov-Ilyeff problem for polynomials near $z^n – 1$, Complex Variables Theory Appl. 35, n. 4 (1998), 121–155.
  48. Meir, A. and A. Sharma: On Ilieff’s conjeture, Pacific J. Math. 31 (1969), 459 – 467.
  49. Miller, M. J.: Maximal polynomials and the Ilieff-Sendov conjeture, Trans. Amer. Math. Soc. 321 (1990), 285 – 303.
  50. Miller, M. J.: Continuous independence and the Ilieff-Sendov conjeture, Proc. Amer. Math. Soc. 115 n. 1 (1992), 79 – 83.
  51. Miller, M. J.: On Sendov’s conjecture for roots near the unit circle, J. Math. Anal. Appl. 175 (1993), 632 – 639.
  52. Miller, M. J.: Some Maximal Polynomials Must Be Nonreal, J. Math. Anal. Appl., 214 (1997), 283 – 291.
  53. Milovanovi\’c, G. V., D. S. Mitrinovi\’c and Th. M. Rassias: Topics in Polynomials: Extremal Problems, Inequalities, Zeros, World Scientific, Singapure, 1994. 78 – 83.
  54. Petersen, B. E.: Convex Hull, Lucas Theorem, Aziz’s Theorem and the Sendov – Ilieff Conjecture, Feb. 29, 2000. \\ \verb|http://www.peak.org/~petersen/maple/maple_notes.html|
  55. Pflug, P. and G. Schmieder: Remarks on Ilieff-Sendov Problem, Annals Univ. Mariae Curie-Sklodowska Lublin, Poland, XLVIII n. 9, (1994), 98 – 105.
  56. Phelps, D. and R. S. Rodriguez: Some properties of extremal polynomials for the Ilieff conjecture, Kodai Math. Sem. Rep. 24 (1972), 172 – 175.
  57. Qazi, M. A.: On the maximum modulus of polynomials, Proc. Amer. Math. Soc. 115 (1992), 337 – 343.
  58. Rahman, Q. I.: On the zeroes of a polynomial and its derivative, Pacific J. Math. 41 (1972), 525 – 528.
  59. Rahman, Q. I. and Q. M. Tariq: On a problem related to the conjecture of Sendov about the critical points of a polynomial, Canad. Math. Bull, 30, n. 4 (1987), 476 – 480.
  60. Rassias, Th. M.: On certain properties of polynomials and their derivative. Topics in mathematical analysis, 758–802, Ser. Pure Math., 11, World Sci. Publishing, Teaneck, NJ, 1989.
  61. Rassias, Th. M.: Zeros of polynomials and their derivative, Rev. Roumaine Math. Purres Appl. 36 (1991), 441 – 448.
  62. Rassias, Th. M. and H. M. Srivastava: Some recent advances in the theory of the zeros and critical points of a polynomial, In: Topics in Polynomials of One and Several Variables and Their Applications; A mathematical Legacy of P. L Chebyshev (1821 1894) (Th. M. Rassias, H. M. Srivastava and A. Yanushauskas, Eds.), World Scientific, Singapure, 1993, 463 – 481.
  63. Rubinstein, Z.: On a problem of Ilieff, Pacific J. Math. 26 (1968), 159 – 161.
  64. Saff, E. B. and J. B. Twomey: A note on the location of critical points of polynomials, Proc. Amer. Math. Soc. 27, n. 2 (1971), 303 – 308.
  65. Schmeisser, G.: Bemerkungen zu einer Vermutung von Ilieff, Math. Z. 111 (1969), 121 – 125.
  66. Schmeisser, G: Zur Lage der Kritichen puncte eines polynoms, Rend. Sem. Mat. Univ. Padova 46 (1971), 165 -173.
  67. Schmeisser, G: On Ilieff’s conjecture, Math. Z. 156 (1977), 165 – 173.
  68. Schmieder, G. and G. Kurth: Uber Polynome and deren Ableitungen, Math. Semesterberichte 37 (1990), 265 – 270.
  69. Schmieder, Gerald: Der Satz von Rolle im Komplexen. Math. Semesterber 44, n. 2 (1997), 109– 120.
  70. Schmieder, G.: Location of Critical Points for Polynomials, Proc. Comp. Methods in Function Theory (CMFT’97) (1999), 497 – 504.
  71. Schmieder, G.: Die Vermutung von Sendov -eine actuelles mathematisches Problem, Presse\&Kommunika, Carl von Ossietzky Univ. Oldenburg, 1999.
  72. Sendov, Bl.: On the cditical points of a polynomial, East J. on Approximations, 1, n. 2 (1995), 255 – 258.
  73. Stoyanov, J.: Some problems from the analysis, resolved by the methods of the probability theory, Mathemmatics today, “Visha Shkola”, Kiev, 1993, 176 – 194 (in Russian).
  74. Tariq, Q. M.: On the zeros of a polynomial and its derivative, J. Univ. Kuwait (Sci.) 13, (1986), 17 – 19.
  75. Tariq, Q. M.: On the zeros of a polynomial and its derivative II, J. Univ. Kuwait (Sci.) 13, (1986), 151 – 155.
  76. Todorov, P. G.: A natural verification of the Sendov conjecture for the canonical cubic equation and other results for the location of its roots, Bull. de la Classe des Sciences, VII (1996), 387 – 403.
  77. Todorov, P. G.: A natural verification of Sendov’s conjecture for the canonical cubic equation. C. R. Acad. Bulgare Sci. 49, n. 9-10 (1996), 15–18.
  78. Vernon, S.: On the critical points of polynomials, Proc. Roy. Irish Acad. Sect. A, 78 (1978), 195 – 198.
  79. V\^aj\^atu, V. and A. Zaharescu: Ilyeff’s conjecture on a corona. Bull. London Math. Soc. 25, n. 1 (1993), 49 – 54.
  80. Yadrenko, M. I.: The problem of Blagovest Sendov for the critical points of the polynomials, U sviti matematiki, 1, n. 2 (1995), 44- 45 (in Ukrain).
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Publications list

LIST OF PUBLICATIONS 2001-….

December 20, 2010 – 23:43
  • A note on Hausdorff geometry of polynomials, C. R. Acad. Bulg. Sci. 54, n. 6 (2001), 13 – 16. PostScript file
  • Adapted Multiresolution Analysis and Wavelets, Bolyai Society Mathematical Studies, X (Accepted) PostScript file
  • Hausdorff Geometry of Polynomials, East Journal on Approximation, 7, n. 2 (2001), 1 – 56. PostScript file
  • On the zeros of a polynomial and its consecutive derivatives, C. R. Acad. Bulg. Sci., (Submited) PostScript file
  • On the Hausdorff Geometry of polynomials, a Generalized Conjecture, Inst. of Math., Ukraine. (Accepted) PostScript file
  • On the Hausdorff Geometry of polynomials, Discrete Mathematics and Applications. (Accepted) PostScript file
  • About the Mathematics and the Informatics. MODUL-96 Publisher, Sofia, 2001. (in Bulgarian)
  • An Algorithm of life. ”Zahari Stoyanov” Publisher, Sofia, 2001. (in Bulgarian)
  • The Mathematics and hers contemporaneous dimensions. Jour. of Bulg. Acad. of Sci.}, 1, 2001, 43 – 48. (in Bulgarian)
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Publications list

LIST OF PUBLICATIONS 1990-2000

December 20, 2010 – 23:43
  • On the memory of academician Andrey Petrovich Ershov, Programming, AN SSSR, (1990), n. 1, 124-125 (in Russian).
  • For a real rearrangement of the Bulgarian Academy of Sciences, Sp. BAS, Sofia, 36, (1990), n. 2, 5-10 (in Bulgarian).
  • Lecture on Science in Bulgaria, in: Annual Reports of ICSU Scientific Bodies, ICSU Secretariat, Paris, 1990, 54-66.
  • Hausdorff approximations, Kluwer Acad. Publ., 1990.
  • Planar Neighborhood Graphs Without Cycles, C. r. Acad. Bulgare Sci., 44, (1991), n. 4, 23-35.
  • Quality of education with the application of new information technologies, in: Images of Programming, Ed. D. Bjorner and V. Kotov. North-Holland, IFIP, 1991, 1.71-1.78 (with A. Eskenasy).
  • The Science Advising Organization in Bulgaria, in: Worldwide Science and Technology Advice, Pergamon Press, 1991, 101-106.
  • The Chaos, Sp. Orpheus, Sofia, (1991), n. 1, 6-8 (in Bulgarian).
  • Mathematics for biologists, Publ. “Kliment Ohridsi”, Sofia, 1991 (with R. Maleev and others, in Bulgarian).
  • The Potential of Information Technologies for International Cooperation, in: Int. Symposium “Expanding Access to Science and Technology, the Roll of Information Techologies”, United Nations University, Kyoto, 12-14 May, 1992.
  • Data, Information, Knowledge and Wisdom, in: SEARCC’92, XI Conference of the South East Asia Regional Computer Confederation, August 11-14, 1992, Kuala Lumpur, Malaysia, I, 1992, 01.01-01.14.
  • On a Conjecture of P. Erd\”os and D. Szekeres, C. r. Acad. Bulgare Sci., 45, (1992). n. 12. 17-20.
  • Human Resources and Education in the Information Era, Congreso Iberoamericano de Informatica Educativa, Santo Domingo, Republica Dominicana. Del 9 al 12 de junio, 1992.
  • Recursos humanos y education en la era de la informacion, Informatica edcativa, Colombia, 5, (1992), n. 2, 97-103.
  • Bulgarian Academy of Sciences: current changes and outlook, in: Organizational structures of science in Europe, Viena, POSTE, UNESCO, 1992, 233-244.

Vassil Atanasov Popov (January 14, 1942 — May 31, 1990) Constructive Theory of Functions, Proc. of Int. Conf. Varna, Publ. BAS, Sofia, iii -xiv (with K. G. Ivanov and P. Petrushev).

  • Optimall disposition of points in the plane with respect to the angles, determined by them, Discreet Mathematics and Applications, Ed. K. Chimev & SI. Shtrakov, Blagoevgrad,} (1993), 10-24; Fiz.-math, sp., Sofia, 34, (1993) n. 2, 118-127 (in Bulgarian).
  • Personal view on Informatics and Changes in Learning, In: IFIP Conf. Gmunden, 1993.
  • Integral Hausdorff Metric, C. r. Acad. Bulgare Sci., 46, (1993). n. 10, 21-24.
  • Some Open Problems in Approximation Theory, in: Proc. Open Problems in Approximation Theory, June 18-24, 1993, Voneshta Voda, Ed. B. Boyanov, SCT Publishing, 1993, 175-179.
  • Image Approximation for Data Compression, in: Scientific Computation and Mathematical Modeling, Ed. S.M. Markov, DATECS Publishing, Sofia, 1993, 95-98.
  • Integrity of Science and the Challenge of the Information Era, Background paper, Project 2000+, International Forum 5-10 July, 1993.
  • Computer Technologies and Telecommunications in the Modern Society, in: Seminario Internacional, Mexico, D. F., Jan. 1993, 1993.
  • The 80th Anniversary of Academician Ljubomir Iliev, In: Mathematical Modeling: Methodology, Software Tools and Applications, Ed. E. D. Popova, DATECS Publishing, Sofia, 1993, XV-XXI.
  • Angles in a Plane Configuration of Points, C. r. Acad. Bulgare Sci., 46, (1993), n. 5. 27-30.
  • Convergence of Fractal Transform Operators, C. r. Acad. Bulgare Sci., 46, (1993). n. 12. 13-16.
  • Modeling of Images, Math. Balkanica, 8, n. 1, (1994), 85-111.
  • Entering the information era, in: The role of applied science and technology for a sustainable society, USP Conv. Center – Sao Paulo – Brazil, 1993, 15-20.
  • Plane configurations of points with minimal biggest angle, Mathematica plus, 2, (1993), 8-13 (in Bulgarian).
  • Entrando na Era da Informa\,c\~ao, Universidade de S\~ao Paulo, Estudos Avan\,cados 20, 8, (1994), n. 20, 28-32.
  • Compulsory Configurations of Points in Euclidean Plane, in: Advances in Parallel Algorithms, Ed. I. Dimov and O. Tonev, IOS Press, Amsterdam, 1994, 194-201.
  • Mathematical Problems in Fractal Image Compression, in: Mathematics and Education in Mathematics, Proc. XXIII Spring Conf. Union of Bulgarian Mathematicians, Stara Zagora, April 1-4, 1994, Sofia, 1994, 3-53.
  • Fractal Analysis, C. r. Acad. Bulgare Sci., 47, (1994), n. 5, 17 -20.
  • Orthonormal Fractal Basis, C. r. Acad. Bulgare Sci., 47, (1994), n. 7, 15-18.
  • One Parameter Rotation in a Hilbert Space, C. r. Acad. Bulgare Sci.,
  • Orthogonal basis of fractal functions and image compression, God. Sofia Univ., Fac. Math. and Inform., 34, (1994), n. 3, 411-432 (in Bulgarian).
  • Fractal Approximations for Image Compression, in: Mathematical Research, Volume 81, Pursella ’94, Akademie Verlag, 1994, 63-72.
  • Approximation and Interpolation Theory, in: Handbook of Numerical Analysis, P. G. Ciarlet and J. L. Lions, Editors, 1994, 223-462 (with A. Andreev).
  • Numerical Solution of Polynomial Equations, in: Handbook of Numerical Analysis, P. G. Ciarlet and J. L. Lions, Editors, 1994, 625-778 ( with A. Andreev and N. Kjurkchiev).
  • Minimax of the Angles in a plane configuration of points, Acta Math. Hungar, 69, (1995), n. 1-2, 27-46.
  • On the critical points of a polynomial. East J. on Approx., 1, (1995), n. 2, 255-258.
  • Compulsory configurations of points on the plane, Fundam. and Applied Math., 1, (1995), n. 2, 491-516.
  • Academy of Sciences in Emerging Democracies, in: Beyond Government, Extendinq the Public Policy Debate in Emerging Democracies; edited by C. D. Goodwin and M. Nacht, Westview Press, Boulder * San Francisco * Oxford, 1995, 333-348.
  • Mathematical Modeling of Real World Images, Constr. Approx., 12, (1996), 31-65.
  • Numerical methods, part I (second edition), Publ. “Sv. Kl. Ohridski”, Sofia,} 1996.
  • Binary Self-Similar Fractal Functions, C. r. Acad. Bulgare Sci., 50, (1997), n. 6. 25-28.
  • Orthonormal Systems of Fractal Functions, Math. Balkanica, 11, (1994), n. 1-2, 169-200 (with P. Marinov).
  • Multi resolution Analysis of Functions Defined on the Dyadic Topological Group, East J. on Approx., 3, (1997), n. 2, 225-239.
  • Toward global wisdom in the era of digitalization and communication, Prospects, 27, (1997), n. 3, 415-426.
  • Binary Exponential Fractal Functions, Fractal Calculus & Appl. Anal., 1, (1998), n. 1, 23-48 (with P. Marinov).
  • Adaptive Approximation and Compression, Approximation Theory IX, 1998, Vanderbilt Univ. Press, Nashville, TN, 295 – 302.
  • Real Dyadic Functions, C. r. Acad. Bulgare Sci., 51, (1998), n. 3-4, 25-28.
  • Walsh-similar Functions, East J. on Approx., 5, (1999), n. 1, 1-65.
  • Adaptive Wavelets and Multiresolution Analysis, C. r. Acad. Bulgare Sci., 53, (1999), n. 5, 21-24.
  • Adaptive Orthonormal Systems, in: Large-Scale Computations in Air Pollution Modeling, Kluver Acad. Publ., 1999, 291-301.
  • Adaptive Multiresolution Analysis on the Dyadic Topological Group, J. Approx. Theory, 96, (1999), 258-280.
  • Adaptive Approximation with Walsh-similar Functions, in: International Series of Numerical Mathematics, 132, 1999, 283-302.
  • Uniform Convergence of Fourier-Walsh-similar Series, Proc. of the Fourth Int. Conf., NMA’98, Recent advances in numerical methods and applications II $O(h^4)$, Sofia,} 1998, World Scientific, 1999, 99-111.
  • Dyadic self-similar fractal functions, Fundam. and Applied Math., 5, (1999), n. 2, 589-595.
  • Information – data, knowledge and wisdom, Sp. BAN, Sofia, 2, (1999), 3-7 (in Bulgarian).
  • Acad. Ljubomir Iliev 1913-2000, Serdica Math.J., 26 n. 2, (2000), I-XXVIII.

47, (1994), n. 12, 25-28.

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Publications list

LIST OF PUBLICATIONS 1980-1989

December 20, 2010 – 23:42

 

  1. Convergence of the derivatives of the linear operators, in: Constructive function theory, Conf. in Blagoevgrad 1977, Publ. BAS, Sofia, 1980, 131-143 (in Russian).
  2. On the estimate of the approximation with the Fejer’s interpolational polynomial, C. r. Acad. Bulgare Sci., 33, (1980), n. 11, 1447-1450 (with T. Mills).
  3. Some Topics of Segment Analysis, Interval Mathematics 1980, Ed. L. E. Nickel, Academic Press, 1980, 203-222.
  4. Hausdorff synthesis of antenna lattices for scanning diagram of orientation. Electroprom. and priborostr., Sofia, 5 (1981), 203-205 (with N. Kjurkchiev and others, in Bulgarian).
  5. Some principals of mathematical modeling, Impact of science on society, 31, (1981), n. 4, 375-379.
  6. Quelques principes de la modelisation mathematique, Impact: science et societe, 31, (1981), n. 4, 391-395.
  7. On the Constants of H. Whitney, C. r. Acad. Bulgare Sci., 35, (1982), n. 4, 431-434.
  8. A New Proof of the H. Whitney’s Theorem, C. r. Acad. Bulgare Sci., 35, (1982), n. 5, 609-611.
  9. Computation techniques, computer and education, Impact of science and society, (1982) n. 1-2, 153-158 (in Russian).
  10. Modified Steklov’s function, C. r. Acad. Bulgare Sci., 36, (1983), n. 3, 315-317 (in Russian).
  11. Convergence of Numerical Methods, in: Constructive function Theory ’81, Sofia, 1983, 513-518.
  12. Averaged moduli of smoothness, Publ. BAS, Sofia, 1983 (with V. Popov, in Bulgarian).
  13. Academician Ljubomir Iliev in the occasion of his 70 years, Fiz.-math, sp., Sofia, 29, (1983) n. 3, 169- 171 (in Bulgarian).
  14. Academician Andrei Nikolaevich Kolmogorov (in the occasion of his 80 years jubilee), Fiz.-math, sp., Sofia, 29, (1983) n. 5, 72-74 (in Bulgarian).
  15. On a Theorem of H. Whitney, in: Constructive function Theory ’84, Sofia, 1984, 808-813.
  16. To Academician L. Iliev’s 70th Anniversary, in: Math. struct., Comput. math., Math. modeling, BAS, Sofia, 1984,

    17. 5-7/, 10-12 (in Russian).

  17. Bulgarian Academy of Sciences in 105 years, Spisanie BAS, Sofia, 20, (1984), n. 5, 5-9 (in Bulgarian).
  18. The Constants of H. Whitney are Bounded, C. r. Acad. Bulgare Sci.,
  19. Mathematical analysis, Publ. Moscow University, Moscow, 1985 (with V. Il’in and V. Sadovnichii, in Russian).
  20. Survey of the parallel computing, Publ. BAS, Sofia, 1985 (with A. Andreev and others, in Bulgarian).
  21. Inlormation and Knowledge, in: Formal models in Programming, North- Holaind, IFIP, 1985, 97-101.
  22. 115 rocznica powstania Bulgarskiej Akademii Nauk, Nauka Polska. (1985), n. 1-2, 153-i58.
  23. Use of computers in education, Problems of theory and practice of manegement, Moscow, (1985). n. 4, 57-60 (in Russian).
  24. Problems of the computer education — the second wave, Sp. Math. education, 10, (1985), n. 1, 2-7 (in Bulgarian).
  25. Children in the information age, Sp. Math. education, 10, (1985), n. 3, 3-5 (in Bulgarian).
  26. Information und Wissen, in: Heinz Zemanek – Ein Computerpionier, R. Oldenbourg Wien M\”unchen, 1985, 91-93.
  27. On a theorem of H. Whitney, Dokl. AN SSSR 291 (1986), n. 6, 1296-1300 (in Russian).
  28. The Theorem of Whitney for Integral Norm, C. r. Acad. Bulgare Sci., 39, (1986), n. 10, 35-38.
  29. Children in an Information Age, Tomorrow’s Problems Today, in: Children in an Information Age. Pergamon Press, Oxford, 1986, 195-200.
  30. Informatics and computation technic, Sp. BAS, Sofia, 32, (1986) n. 1, 12-16 (in Bulgarian).
  31. The computer is man made and has to be his servant, Sp. Plamak, Sofia, (1986), n. 1, 7-12 (in Bulgarian).
  32. Une education adaptee a l’ere de l’information, Impact: science et societe, (1986), n. 146, 203-212.
  33. On a Theorem of H. Whitney, Soviet Math. Dokl., 34, (1987), n. 3, 603-606.
  34. A Modified Steclov Function, Amer. Math. Soc. Transl., 137, (1987), n. 2, 57-59.
  35. On the Theorem and Constants of H. Whitney, Constr. Approx., 3 (1987), 1-11.
  36. On a Theorem of Ju. Brudnyi, Math. Balkanica, 1, (1987), 106-111.
  37. Mathematical analysis 2, Publ. Moscow University, Moscow, 1987 (with V. ll’in and V. Sadovnichii, in Russian).
  38. The Bulgarian Academy of Sciences: Yesterday, Today and Tomorrow, Introducing Research Results into Practice, Publ. BAS, Sofia, (1987), 26-30.
  39. Implementation of the research results of the Academy institutes in the People’s Republic of Bulgaria, Introducing Research Results into Practice Publ. BAS, Sofia, (1987). 63-68 (with J. Ivanov).
  40. Art, science and education, Acad. of art “Apolonia”, Sozopol, 1987, 85-96 (in Bulgarian).
  41. School mathematics in the information age, in: Informatics and the teaching of mathematics, North-Holland, IFIP, 1987, 1-4.
  42. Oncogenes and Genetic Networks, Ber. Nat.-Med. Ver. Salzburg 9, (1988), 183-184 (with R. Tzanev).
  43. Averaged moduli of smoothness, Publ. “Mir”, Moskow, 1988 (with V. Popov, in Russian).
  44. The Averaged Moduli of Smoothnes, John Wiley & Sons, New York 1988, (with V. Popov).
  45. Children in an Information Age, Education \& Computing, 4, (1988), 21-26..
  46. High School Mathematics Education and Training of Mathematics Teachers in Bulgaria, in: ICME-6, Budapest, Hungary, 1988 (with T. Vitanov and others).
  47. For the rearrengement of the spiritual sphere, Sp. BAS, Sofia, 34, (1988), n. 6, 6-9 (in Bulgarian).
  48. Informatics and education, in: 5th Seminar, Problems of informatics and its appliccation in management of education and research, Sofia Univ., Sofia, 1988, 7-15 (in Bulgarian).
  49. Informatics for peace, Peace is a human value, Publ. BAS, Sofia, 1988 (in Bulgarian).
  50. Sofia university “Kliment Ohridski” and the Bulgarian science, Sp. BAS, Sofia 36 n. 6, (1988), 22-26 (in Bulgarian).
  51. Approximation with least derivative, C. r. Acad. Bulgare Sci., 42, (1998), n. 1, 27-30 (in Russian).
  52. Approximation splines, Math. Balkanica, (1989), n. 1, 106-121.
  53. Fractals, Chaos and Approximation, in: Information Processing ’89, IF1P, No rlli- Holland, 1989, 589-590.
  54. Neighborhood graphs on the plane, Fiz.-math, sp., Sofia, 4, (1989) n. 3-4, 281 – 300 (in Bulgarian).
  55. Mathematical analysis 2, Publ. “Nauka i Izkustvo”, Sofia, 1989 (with V. Il’in and V. Sadovnichii, in Bulgarian).
  56. Information as a Science and as a Tool, in: ICSU Report of 26th Meeting oj the General Comm. Lisbon, Portugal, 11-14 Oct. 1989 and Scientific Lectures, 1989, 318-325.
  57. A Broad View of Informatics, Higher Education Policy, 2, (1989), n. 4, 73-76.
  58. The Bulgarian Academy of Sciences — Center of Research and Innovation, Bulgarian Foreign Trade, (1989), n. 3, 18-19.
  59. Marin Drinov (1838-1906) — the first President of BAS, Sp. BAS, Sofia, 35, (1989). n. 1, 5-10 (in Bulgarian).
  60. Vassil D. Stojanov — principal manager of the Bulgarian Literary Society, Sp. BAS, Sofia. 35, (1989), n. 5, 5-10 (in Bulgarian).
  61. Bulgarian Academy of Sciences — 120 years of tradition and innovation, Sp. BAS. Sofia, 35, (1989), n. 6, 3-9 (in Bulgarian).
  62. Mathematical models of some termophisical processes and devises for molding and crystallization of steel, in: Technology of metals, Conf. High alloy nitrogen steel ’89, BAS, Sofia. 1989, 12-18 ( with R. Lazarov and C. Rashev, in Russian).

    63. 38, (1985), n. 10, 1299-1302.

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Publications list

LIST OF PUBLICATIONS 1956-1969

December 20, 2010 – 23:41

 

  1. On a class of regular functions, Dokl. AN SSSR 110, (1956), \# 1, 27-30 (in Russian).
  2. On a subcone of the cone of the regular-monotone functions, the sighs of the derivatives of which change periodically God. Sof. Univ. Phis.-Math. Fac., 50, (1958), n. 1, 109-120 (in Bulgarian).
  3. On the expansion of the regular-monotone function in Goncharov series, Dokl. AN SSSR 118 (1958) n. 3, 450-453 (in Russian).
    4. On a type of regular-monotone functions, Izv. Math. Inst. BAS, 3, (1958), n. 1, 89-104 (in Bulgarian).

  4. A note on the theorem of Gauss for the distribution of the zeros of a polynomial on the complex plane, Fiz.-math. sp., 1, (1958) n. 3-4, 169-171 (with T. Genchev, in Bulgarian).
  5. An integral inequality for algebraic polynomials with only real zeros, God. Sof. Univ. Phis.-Math. Fac., 53 (1959), n. 1, 19-32 (in Bulgarian).
  6. Symmetrical flow around circular cylinder with two vortices behind it. Trajectory of the vortices and resistance of the cylinder, Dokl. AN SSSR 128 (1959), n. 1, 53-59 (with Bl. Dolapchiev, in Russian).
  7. On some properties of the regular-monotone functions, Izv. Math. Inst. of BAS, 3, (1959), n. 2, 63-68.
  8. The trajectory of a vortex pair behind a circular cylinder and it’s connection with the resistance of the cylinder, Izv. Math. Inst. of BAS, 3 (1959), n. 2, 213-243 (with Bl. Dolapchiev, in Bulgarian).
  9. The Theorem of Vahlen for singular continued fractions and continued fractions of the nearest natural number, God. Sof. Univ. Phis.-Math. Fac., 54, (1961), n. 1, 251-258 (in Bulgarian).
  10. On the equations in words, Z. math. Logik Grundlagen Math. (Berlin), 7, (1961). 289-297 (in Russian, with D. Skordev).
  11. $\varepsilon$-entropy and $\varepsilon$-capacity of the set of continuous functions, Vestnik MGU, 17, (1962), n. 3, 15-19 (in Russian, with S. Dimiev and B. Penkov).
  12. $\varepsilon$-entropy and $\varepsilon$-capacity of the set of continuous curves, Vestnik MGU, 17, (1962), n. 3, 20-23 (in Russian, with B. Penkov).
  13. Approximation of functions with algebraic polynomials in respect to a metric of Hausdorff type, God. Sof. Univ. Phis.-Math. Fac., 55, (1962), 1-39 (in Bulgarian).
  14. Eine Aufgabe aus der Kombinatorik, C. r. Acad. Bulgare Sci., 15, (1962), n. 1, 5-8.
  15. Graphs, connected with mechanisms, C. r. Acad. Bulgare Sci., 15, (1962), n. 2, 111-113 (in Russian, with N. Martinov).
  16. Frequencies of Letters in Written Bulgarian, C. r. Acad. Bulgare Sci., 15, (1962). n. 3, 243-244 (with B. Penkov and others).
  17. $\varepsilon$-entropy and $\varepsilon$-capacity of the space of continuous functions, Izv. Math. Inst. of BAS, 6, (1962), 27-50 (with B. Penkov, in Bulgarian).
  18. Machines for education, Sp. Mathematica, Sofia, 1, (1962) n. 2, 32-35 (with B. Penkov, in Bulgarian).
  19. Let us think on mathematics, Sp. Mathematica, Sofia, (1962), n. 1, 4-6 (with B. Penkov, in Bulgarian).
  20. Rational zeros of algebraic equations, Sp. Mathematica, Sofia,} 0, (1962), n. 1, 27-30 (in Bulgarian).
  21. Graphs with a completeness operation, God. Sof. Univ. Phis.-Math. Fac., 54, (1963), n. 1, 127-139 (with N. Martinov, in Bulgarian).
  22. Axiomatic and automatic verification of block- schemes, God. Sof. Univ. Phis.- Math. Fac., 56, (1963), n. 1, 158-190 (with E. Dimitrov and V. Spiridonov, in Bulgarian).
  23. On the best approximation with algebraic polynomials in respect to Hausdorff distance, God. Sof. Univ. Phis.-Math. Fac., 56, (1963), n. 1, 195-207 (in Bulgarian).
  24. $\varepsilon$-entropy and $\varepsilon$-capacity of the set of the monotone functions, Uspehi math. nauk, 18, (1963), n. 2, 155-158 (in Russian).
  25. Axiomatik der Blokschemata und automatische Programmkontrolle, in: Int. Kolloquium, uber aktuelle Probleme der Rechentechnik. II. Dresden, 1962. Vortrage, Dresden, 1963, 61-63.
  26. Approximation bezuglich einer Hausdorffschen Metrik mittels algebraischer Polynome, in: Int. Kolloquium uber aktuelle Problemeder Rechentechnik. II. Dresden, 1962. Vortrage, Dresden, 1963, 121-122.
  27. Machines helping the human brain, Narodna prosveta, Sofia 1963 (in Bulgarian).
  28. Bulgaria is building socialism, Sp. Mathematica, Sofia, 1, (1963) n. 6, 1-3 (in Bulgarian).
  29. Approximation of functions with algebraic polynomials in respect to a metric of the Hausdorff type, Review of the PhD thesis, Sofia University, 1964.
  30. On the graphs with a completeness operation, God. Sof. Univ. Phis.-Math. Fac., 57, (1964) 291-305 (with N. Martinov, in Bulgarian).
  31. Mathematics and computing technic, God. Sof. Univ. Phis.-Math. Fac., 57, (1964) 307-316 (in Bulgarian).
  32. Entropy of the continuous functions of many variables, C. r. Acad. Bulgare Sci., 17, (1964), n. 4, 335-337 (with B. Penkov, in Russian).
  33. On widths of the space of continuous functions, C. r. Acad. Bulgare Sci., 17, (1964), n. 8, 689-691 (with B. Penkov).
  34. On a method for approximation of periodic functions with trigonometric polynomials, Tr. Math. Inst. Hungarian Acad. of Sciences, 9A (1964) n. 3, 491-494. (with G. Freud, in Russian).
  35. Figures with constant width, Sp. Mathematics, Sofia, 3, (1964), n. 1, 12-15 (in Bulgarian).
  36. On the theory of graphs, Sp. Mathematica, Sofia, 3, (1964), n. 6, 1-5 (in Bulgarian).
  37. On some linear methods for approximation of periodic functions in respect to the Hausdorff distance, God. Sof. Univ. Phis.- Math. Fac., 58, (1965), 107-140 (in Bulgarian).
  38. Linear methods for approximation of periodic functions in respect to a metric of Hausdorff type, Dokl. AN SSSR} 160 (1965), n. 5, 1023-1025 (in Russian).
  39. Linear methods for approximating periodic functions with respect to a metric of Hausdorff type, C. r. Acad. Bulgare Sci., 18, (1965), n. 5, 253-255.
  40. On an estimate of the approximation of functions with Bernschtein polynomials, Mathematica, Cluj, 7, (1965) n. 1, 145-154.
  41. Orthogonale Systeme in einigen Klassen von Polynomenfolgen, Wiss. Z. Hochsch. Architektur Bauwesen, Weimar, 12, (1965), n. 5-6, 517 – 519 (with L. Iliev).
  42. Contemporary calculating machines, Sp. Mathematica, Sofia, 4, (1965), n. 2, 8-16; n. 3, 10-16; n. 4, 13-19; n. 6, 27-31 (in Bulgarian).
  43. On some properties of the Hausdorff metric, Mathematica, Cluj, 7, (1965), n. 1, 145-154 (with V. Popov).
  44. On the best approximation in respect to the Hausdorff distance, God. Sof. Univ. Phis.-Maih. Fac., 59, (1966), 85-103 (in Bulgarian).
  45. A model of the regulatory mechanism of cellular proliferation, C. r. Acad. Bulgare Sci., 19, (1966), n. 9, 835-838 (with R. Tzanev).
  46. A model of the regulatory mechanism of cellular multiplication, J. Theoret. Biol., New York, 12, (1966), 327-341 (with R. Tzanev).
  47. Hausdorffsche Metrik und Approximationen, Numerische Math., Berlin, 9, (1966), 214-226 (with B. Penkov).
  48. Electronic machines, Technika, Sofia, 1966 (in Bulgarian, with D. Bogdanov and others).
  49. Mathematical methods for classification, Sp. Mathematica, Sofia, 5, (1966), n. 5, 16-20. (in Bulgarian).
  50. Approximation of plane point sets with polynomial curves, God. Sof. Univ. Math. Fac., 60, (1967), 211-222 (in Bulgarian).
  51. On the convergence of a sequence of linear positive operators, God. Sof. Univ. Math. Fac., 60, (1967), 279-296 (in Bulgarian).
  52. On P. Korovkin’s Theorems for Convergence of Sequences of Linear Positive Openitors, Dokl. AN SSSR, 177, (1967), n. 3, 518-520 (in Russian); Soviet Math. Dokl., 8, (1967), n. 6, 1445-1447.
  53. On the interpolational process of Fejer Izv. Math. Inst. BAS, 9, (1967), 133-145.
  54. Approximation with stepwise functions with respect to Hausdorff distance, Math. Zametki 2, (1967), n. 1, 61-67 (in Russian).
  55. Distance, Fiz.-math, sp., Sofia,
    56. 6/B>, (1967) n. 2, 14-17.

  56. On the numerical calculation of a class of polynomials of best approximation, God. Sof. Univ. Math. Fac., 61, (1968), 17-27 (with Sv. Markov, in Bulgarian).
  57. Modeling of the regulatory mechanism of the cellular proliferation in the liver, Central. Biochem. Lab. BAS, 3, (1968), 21-35 (with R. Tzanev).
  58. Approximation with respect to Hausdorff distance, Math. Zametki, 3, (1968), n. 4, 481-494 (in Russian; DSc thesis, Moscow, 1967).
  59. Computer studies on the mechanism controlling cellular proliferation, in: Effects on radiation on cellular proliferation and differentiation. Vienna, Int. Atomic Energy Agency. 1968, 453-461 (with R. Tzanev).
  60. Computer simulation of the regenerative processes in the liver, J. Theoret. Biol., New York, 18, (1968), 90-104 (with R. Tzanev).
  61. Electronic calculating machines, MNP, Sofia, 1968 (in Bulgarian).
  62. Convergence of the derivatives of the linear positive operators, C. r. Acad. Bulgare Sci. 22, (1969), n. 5, 507-509 (in Russian).
  63. A possible mechanism for cellular differentiation, C. r. Acad. Bulgare Sci., 22, (1969), n. 12, 1433-1436 (with R. Tzanev).
  64. On the widths of the space of the continuous functions, Izv. Math. Inst. BAS 10, (1969), 5-15 (with B. Penkov, in Bulgarian).
  65. Certain questions in the theory of approximation of functions and sets in the Hausdorff metric, Uspehi Mat. Nauk,} {\bf 24}, (1969), n. 5, 143-180 (in Russian); Russian Math. Surveys, 24, (1968), n. 5, 143-183.
  66. Computer simulation of the regulatory mechanisms of cellular proliferation, Inform. Processing, Amsterdam, 68 (1969), 1506-1507 (with R. Tzanev).
  67. A model of cancer studies by a computer, J. Theoret. Biol., New York, 23, (1969), 124-134 (with R. Tzanev).

    68.  

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Publications list

List of Publications 1970-1979

December 20, 2010 – 23:38
  1. Approximation of functions of more variables with algebraic polynomials in Hausdorff metric, God. Sof. Univ. Math. Fac., 63, (1970), 61-76 (with V. Popov, in Russian).
  2. Approximation of plane curves with polynomial curves, C. r. Acad. Bulgare Sci., 23, (1970), \# 6, 639-642 (with V. Popov, in Russian).
  3. On the approximation with spline functions, C. r. Acad. Bulgare Sci., 23, (1970), n. 7, 755-758 (with V. Popov, in Russian).
  4. Convergence of the derivatives of the linear positive operators, Izv. Math. Inst. BAS, 11, (1970), 107- 115 (with B. Penkov, in Bulgarian).
  5. Study of a mathematical model of the regulation of the cellular multiplication, Izv. Math. Inst. BAS, 11, (1970), 221-246 (with R. Tzanev, in Bulgarian).
  6. On the classes characterized by the best approximation with the spline functions, Math. Zametki, 8, (1970), n. 2, 137-148 (with V. Popov, in Russian).
  7. Approximation relative to Hausdorff distance, in: Approximation Theory. Ed. by A. Talbot, London and New York Acad. Press, 1970, 101-108.
  8. Prehistoric birth of the computer, Sp. Kvant, Maskow, (1970), 7, 3-7; 10, 8-14 (with N. Rosov, in Russian).
  9. On a Property of a class of Linear Positive Operators, God. Sof. Univ. Maih. Fac., 64, (1971), 115-117 (with B. Bojanov).
  10. Parametric approximation, God. Sof. Univ. Math. Fac., 64, (1971), 237-247 (in Bulgarian).
  11. Possible molecular mechanism for cell differentiation in multicellular organisms, J. Theoret. Biol., New York, 30 (1971), 337 -393 (with R. Tzanev).
  12. An epigenetic mechanism for carcinogenesis, Z. Krebsforsch., Berlin, 76, (1971). 299-319 (with R. Tzanev).
  13. Charls Babbage (1791-1871). In the occasion of 100 years of his death, Fiz.-math, sp., Sofia, 14, (1967) n. 4, 331-339.
  14. A generalization of the estimates for the approximation of functions with linear positive operators, God. Sof. Univ. Math. Fac., 65, (1972), 191-200 (with V. Popov, in Russian).
  15. A problem of the labyrinths, C. r. Acad. Bulgare Sci., 25, (1972), \# 5, 583-585 (with T. Bojanov).
  16. On the approximation of functions with spline functions and rational functions, Trudi Int. Conf., Varna, 19-25 May 1970, BAS, 1972, 89-94 (with V. Popov, in Russian).
  17. Analog of the S. M. Nikolskii’s theorem for approximation of functions with algebraic polynomials in Hausdorff metric, Trudi Int. Conf., Varna, 19-85 May 1970. BAS, 1972, 95-103 (with V. Popov, in Russian).
  18. Exact asymptotic of the best approximation with algebraic and trigonometric polynomials in Hausdorff metric, Mat. sb., Moscow, 89, (1972), \# 1, 138-147 (with V. Popov, in Russian).
  19. Hausdorif Metric and its applications, Intern. Ser. Numer. Math., Basel-Stuttgart, 20 (1972), 127-146 (with B. Penkov).
  20. Convergence of Vall\`ee-Poussin Sums in Hausdorff Distance, C. r. Acad. Bulgare Sci., 26, (1973), n. 11, 1431-1432.
  21. Computer simulation of the regenerative processes in the liver, in: Liver Regen- eration, MSS Information Corporation, New York, 1973, 174-188 (with R. Tzanev).
  22. On a generalization of Jackson’s theorem for best approximation, J. Approx. Theory. 9, (1973), n. 3, 102-111 (with V. Popov).
  23. Academician Ljubomir Iliev at 60 years, Fiz.-math, sp., Sofia, 16, (1973) n. 4, 1-3 (in Bulgarian).
  24. Order of the best approximation for a class of analytic functions, C. r. Acad. Bulgare Sci., 27, (1974), n.12, 1621-1623 (in Russian).

    25. A method for simultaneous approximate calculation of all positive zeros of an algebraic equation, Izv. VUZ, Mat., (1974), n. 5, 185-187 (in Bulgarian).

  25. Approximation of Analytic Functions in Hausdorff Metric, Lecture Nots in Math., Berlin etc., (1974), n. 399, 490-500.
  26. A Mathematical Model of Cellular Differentiation, in: Mathematical Models in Biology and Medicine. Proc. IFIP-TC 4 Work. Conf., Varna, Bulgaria, 6-11 Sept., 1972, Amsterdam, North- Holland, (1974), 81-92 (with R. Tzanev).
  27. Approximation of Monotone Functions by Monotone Polynomials in Hausdorff’s Metric, Rev. anal. numer. theorie approxim., Cluj, 3, (1974), n. 1, 79-88 (with V. Popov).
  28. The machine is an amplifier of the human brain, Sp. September, (1974), n. 9, 136-145 (in Bulgarian).
  29. The mathematics and the contemporary society, Fiz.-math, sp., Sofia, 17, (1974), 331-339 (in Bulgarian).
  30. On a modification of Goncar’s theorem on the rate of rational approximation, Math. Zameiki, 17, (1975), n. 3, 383-390 (in Russian).
  31. Order of best Hausdorff Polynomial Approximation of Certain Functions, Serdica. (1975). n. 1, 77-78.
  32. Approximations of Semicircles by Algebraic Polynomials, Trudy Math., Inst. Steclov, 134, (1975), 315-320; Trudy Math. Inst. AN SSSR, 134, (1975), 278-282 (in Russian).
  33. Simultaneous approximation of all real zeroes of an algebraic polynomial, Intern. Ser. Numer. Math., Basel-Stuttgart, 26, (1975), 131-137.
  34. Hausdorff Approximation of Functions and Point Sets, In: Topics in Numer. Analysis. Proc. of Royal Irich Acad. Conf. on Numerical Analysis, Dublin 1974. Dublin, Acad. Press, 1975, 175-184.
  35. Hausdorff Approximation of Functions and Point Sets, Mathematica Balkanica, 4, (1975), 547-553.
  36. Computation mathematics old and new, Nauka i izkustvo, Sofia, 1975 (in Bulgarian).
  37. Babbage Charls, Encyclopedia of Computer Science and Technology, 2, Marsel Dekker Inc., New York, 1975, 469-479.
  38. The problem of talents in universities, in: Problem of talents, Ed. Y. Yanev, Partizdat, Sofia, 1975, 201-207 (in Bulgarian).
  39. The 60th Anniversary of Professor L. Iliev, in: Math. structures, comp. math., math modeling, BAS, Sofia, 1975, 5- 27.
  40. Approximation by algebraic polynomials of functions, which are different from zero only in one point, God. Sof. Univ. Math. and Mech. Fac., 67, (1976), 61-76 (with N. Kjurkchiev, in Bulgarian).
  41. Best Hausdorff Approximation with Equidistant-Knot Spline Functions, C. r. Acad. Bulgare Sci., 29, (1976), n. 12, 1717-1719.
  42. Hausdorff Derivatives in $F_{\Delta}$, Serdica, (1976), n. 2 131-137 (with B. Penkov and others).
  43. Certain problems of Hausdorff approximation, in: Theory of function approximation. Moscow 135, (1976), 322- 329 (in Russian).
  44. Mathematical models of the cellular proliferation and differentiation, Uspehi Math. Nauk, Moscow, 31, (1976), n. 3, 255-256 (in Russian).
  45. Metrical dimension and approximation of polynomial curves on the plane, Serdirca, (1976), n. 2, 295-299 (with T. Bojanov).
  46. Best Hausdorff Approximation with Spline Functions, Colloq. on Functional Analysis and Approx., Budapest, 1976.
  47. Mathematical models of the processes for cellular proliferation and differentiation. Publ. Moscow University, 1976.
  48. Mathematical biology, Fiz.-math, sp., Sofia, 19, (1976) n. 1, 47-53.
  49. Stare i nove w metodach numerrycznych, Panstwowe Wydawnictwo Naukowe, 1976.
  50. Numerical methods, part I, Publ. Nauka i Izkustvo, Sofia, 1976 (with V. Popov).
  51. Exact estimate for the best Hausdorff spline approximation, C. r. Acad. Bulgare Sci., 30, (1977), n. 2, 187-190.
  52. Convergence of sequences of monotone operators in A-distance, C. r. Acad. Bulgure Sci., 30, (1977), n. 5, 657-660.
  53. Segment Arithmetic and Segment Limit, C. r. Acad. Bulgare Sci., 30, (1977), n. 7, 955-958.
  54. Segment Derivatives and Taylor’s Formula, C. r. Acad. Bulgare Sci., 30, (1977). n. 8, 1093-1096.
  55. Best Hausdorff approximations by spline functions with equidistant knots, Pliska, Sofia, 1, (1977), 79-92.
  56. Some problems for approximation of point sets on the plane, {\it Mathematica, Cluj. (1977) (in Russian).
  57. Practical mathematical analysis, Spring Conf. Bulgarian Math. Soc., Varna, 1977 (in Bulgarian).
  58. Some Topics of Segment Analysis, in: Interval Mathematics, Acad. Press, 1977. 203-222.
  59. Jackson’s Type Theorems for One-sided Polynomial Approximation, C. r. Acad. Bulgare Sci., 30, (1977), n. 11, 1533-1536.
  60. Universities and university education, Fiz.-math, sp., Sofia, 20, (1977) n. 2, 116–124.
  61. Approximation with monotone operators in A- distance, in: Linear Spaces and Approximation, Ed. P. L. Butzer and B. Sz. Nagy, ISNM 40, Basel, 1978, 335-341.
  62. Characterization of the S-derivatives of Lipschitz functions, Serdica, (1975), n. 4, 260-266 (with S. P. Tashev and P. Petrushev, in Russian).
  63. Numerical methods, part II, Publ. Nauka i Izkustvo, Sofia, 1978 (with V. Popov, in Bulgarian).
  64. Informatique, ordinateurs et education, Impact: science et societe, 28, (1978), n. 3 287-292.
  65. Collaboration of European Universities, in: Proc. 28 Pugwach Conference, 1978, 212-213.
  66. A scientist has to be certainly a manager, “Priroda”, Publ. Nauka, Moscow, (1978), 60-64 (in Russian).
  67. Informatics and the other sciences, Fiz.-math, sp., Sofia, 21, (1978) n. 1, 41-50.
  68. On a problem of G. I. Marchuk, Comp. meth. in the math. phis., Novosibirsk, 4, (1979), 4-10 (in Russian).
  69. Jackson’s type theorems for the best one-sided approximations with trigonometric polynomials and spline functions, Math. Zametki 26, (1979), n. 5, 791-804 (with A. Andreev and V. Popov, in Russian).
  70. Some estimates for a numerical solution of a boundary problem for ordinary differential equations of a second order, C. r. Acad. Bulgare Sci., 32, (1979), n. 5, 1023-1026 (with A. Andreev and V. Popov).
  71. Hausdorff approximations, Publ. BAS, Sofia, 1979 (in Bulgarian).
  72. Mathematical analysis I, Publ. ”Nauka”, Moscow, 1979 (with V. Il’in and V. Sadovnichii, in Russian).
  73. Mathematical analysis 1, Publ. “Nauka i Izkustvo”, Sofia, 1979 (with V. Il’in and V. Sadovnichii, in Bulgarian).

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