# LIST OF PUBLICATIONS 1956-1969

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).
5. 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).
6. An integral inequality for algebraic polynomials with only real zeros, God. Sof. Univ. Phis.-Math. Fac., 53 (1959), n. 1, 19-32 (in Bulgarian).
7. 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).
8. On some properties of the regular-monotone functions, Izv. Math. Inst. of BAS, 3, (1959), n. 2, 63-68.
9. 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).
10. 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).
11. On the equations in words, Z. math. Logik Grundlagen Math. (Berlin), 7, (1961). 289-297 (in Russian, with D. Skordev).
12. $\varepsilon$-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).
13. $\varepsilon$-entropy and $\varepsilon$-capacity of the set of continuous curves, Vestnik MGU, 17, (1962), n. 3, 20-23 (in Russian, with B. Penkov).
14. 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).
15. Eine Aufgabe aus der Kombinatorik, C. r. Acad. Bulgare Sci., 15, (1962), n. 1, 5-8.
16. Graphs, connected with mechanisms, C. r. Acad. Bulgare Sci., 15, (1962), n. 2, 111-113 (in Russian, with N. Martinov).
17. Frequencies of Letters in Written Bulgarian, C. r. Acad. Bulgare Sci., 15, (1962). n. 3, 243-244 (with B. Penkov and others).
18. $\varepsilon$-entropy and $\varepsilon$-capacity of the space of continuous functions, Izv. Math. Inst. of BAS, 6, (1962), 27-50 (with B. Penkov, in Bulgarian).
19. Machines for education, Sp. Mathematica, Sofia, 1, (1962) n. 2, 32-35 (with B. Penkov, in Bulgarian).
20. Let us think on mathematics, Sp. Mathematica, Sofia, (1962), n. 1, 4-6 (with B. Penkov, in Bulgarian).
21. Rational zeros of algebraic equations, Sp. Mathematica, Sofia,} 0, (1962), n. 1, 27-30 (in Bulgarian).
22. Graphs with a completeness operation, God. Sof. Univ. Phis.-Math. Fac., 54, (1963), n. 1, 127-139 (with N. Martinov, in Bulgarian).
23. 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).
24. 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).
25. $\varepsilon$-entropy and $\varepsilon$-capacity of the set of the monotone functions, Uspehi math. nauk, 18, (1963), n. 2, 155-158 (in Russian).
26. Axiomatik der Blokschemata und automatische Programmkontrolle, in: Int. Kolloquium, uber aktuelle Probleme der Rechentechnik. II. Dresden, 1962. Vortrage, Dresden, 1963, 61-63.
27. Approximation bezuglich einer Hausdorffschen Metrik mittels algebraischer Polynome, in: Int. Kolloquium uber aktuelle Problemeder Rechentechnik. II. Dresden, 1962. Vortrage, Dresden, 1963, 121-122.
28. Machines helping the human brain, Narodna prosveta, Sofia 1963 (in Bulgarian).
29. Bulgaria is building socialism, Sp. Mathematica, Sofia, 1, (1963) n. 6, 1-3 (in Bulgarian).
30. Approximation of functions with algebraic polynomials in respect to a metric of the Hausdorff type, Review of the PhD thesis, Sofia University, 1964.
31. On the graphs with a completeness operation, God. Sof. Univ. Phis.-Math. Fac., 57, (1964) 291-305 (with N. Martinov, in Bulgarian).
32. Mathematics and computing technic, God. Sof. Univ. Phis.-Math. Fac., 57, (1964) 307-316 (in Bulgarian).
33. Entropy of the continuous functions of many variables, C. r. Acad. Bulgare Sci., 17, (1964), n. 4, 335-337 (with B. Penkov, in Russian).
34. On widths of the space of continuous functions, C. r. Acad. Bulgare Sci., 17, (1964), n. 8, 689-691 (with B. Penkov).
35. 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).
36. Figures with constant width, Sp. Mathematics, Sofia, 3, (1964), n. 1, 12-15 (in Bulgarian).
37. On the theory of graphs, Sp. Mathematica, Sofia, 3, (1964), n. 6, 1-5 (in Bulgarian).
38. 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).
39. 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).
40. 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.
41. On an estimate of the approximation of functions with Bernschtein polynomials, Mathematica, Cluj, 7, (1965) n. 1, 145-154.
42. Orthogonale Systeme in einigen Klassen von Polynomenfolgen, Wiss. Z. Hochsch. Architektur Bauwesen, Weimar, 12, (1965), n. 5-6, 517 - 519 (with L. Iliev).
43. 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).
44. On some properties of the Hausdorff metric, Mathematica, Cluj, 7, (1965), n. 1, 145-154 (with V. Popov).
45. On the best approximation in respect to the Hausdorff distance, God. Sof. Univ. Phis.-Maih. Fac., 59, (1966), 85-103 (in Bulgarian).
46. A model of the regulatory mechanism of cellular proliferation, C. r. Acad. Bulgare Sci., 19, (1966), n. 9, 835-838 (with R. Tzanev).
47. A model of the regulatory mechanism of cellular multiplication, J. Theoret. Biol., New York, 12, (1966), 327-341 (with R. Tzanev).
48. Hausdorffsche Metrik und Approximationen, Numerische Math., Berlin, 9, (1966), 214-226 (with B. Penkov).
49. Electronic machines, Technika, Sofia, 1966 (in Bulgarian, with D. Bogdanov and others).
50. Mathematical methods for classification, Sp. Mathematica, Sofia, 5, (1966), n. 5, 16-20. (in Bulgarian).
51. Approximation of plane point sets with polynomial curves, God. Sof. Univ. Math. Fac., 60, (1967), 211-222 (in Bulgarian).
52. On the convergence of a sequence of linear positive operators, God. Sof. Univ. Math. Fac., 60, (1967), 279-296 (in Bulgarian).
53. 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.
54. On the interpolational process of Fejer Izv. Math. Inst. BAS, 9, (1967), 133-145.
55. Approximation with stepwise functions with respect to Hausdorff distance, Math. Zametki 2, (1967), n. 1, 61-67 (in Russian).
56. Distance, Fiz.-math, sp., Sofia, 6, (1967) n. 2, 14-17.
57. 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).
58. Modeling of the regulatory mechanism of the cellular proliferation in the liver, Central. Biochem. Lab. BAS, 3, (1968), 21-35 (with R. Tzanev).
59. Approximation with respect to Hausdorff distance, Math. Zametki, 3, (1968), n. 4, 481-494 (in Russian; DSc thesis, Moscow, 1967).
60. 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).
61. Computer simulation of the regenerative processes in the liver, J. Theoret. Biol., New York, 18, (1968), 90-104 (with R. Tzanev).
62. Electronic calculating machines, MNP, Sofia, 1968 (in Bulgarian).
63. Convergence of the derivatives of the linear positive operators, C. r. Acad. Bulgare Sci. 22, (1969), n. 5, 507-509 (in Russian).
64. A possible mechanism for cellular differentiation, C. r. Acad. Bulgare Sci., 22, (1969), n. 12, 1433-1436 (with R. Tzanev).
65. On the widths of the space of the continuous functions, Izv. Math. Inst. BAS 10, (1969), 5-15 (with B. Penkov, in Bulgarian).
66. 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.
67. Computer simulation of the regulatory mechanisms of cellular proliferation, Inform. Processing, Amsterdam, 68 (1969), 1506-1507 (with R. Tzanev).
68. A model of cancer studies by a computer, J. Theoret. Biol., New York, 23, (1969), 124-134 (with R. Tzanev).
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