Serdica Bulgariacae mathematicae publicationes

Volume 11, 1985

Number 1

• Projnov, P. D. On the L² discrepancy of some infinite sequences. (pp. 3-12)
• Bojchev, G. S. Uniform convergence of Jacobi series on the boundaries of convergence domains. (in Russian) (pp. 13-19)
• Pathan, M. A., M. I. Qureshi, F. U. Khan. Reducibility of Kampé de Fériet's hypergeometric series of higher order. (pp. 20-24)
• Mitov, K. V., N. M. Yanev. Branching processes with decreasing immigration depending on the state of the process. (in Russian) (pp. 25-41)
• Binev, P. G. Spline interpolation of bounded functions in the class L_p[0,1]. (pp. 42-47)
• Petkova, S. V. Spaces with countable exact homology with torsion coefficient group. (in Russian) (pp. 48-53)
• Eskenasi, A. M., V. D. Sabev. A method for a computer-assisted test construction. (pp. 54-58)
• Nikolova, D. B. Solubility of finite groups with a two-variable commutator identity. (pp. 59-63)
• Kontolatou, A., J. Stabakis. Strictly G-valuated fields. (pp. 64-73)
• Nieminen, J. Hypergraph characterizations of k-tolerances. (pp. 74-78)
• Berischa, M. On the Fourier coefficients of functions belonging to the Besov classes of the type B(p,q, a) (in Russian) (pp. 79-85)
• Tabachnikov, S. L. Characteristic classes of parabolic foliations and symmetric functions. (pp. 86-95)

Number 2

• Dodunekova, R. D. Linear minimax estimation according to incomplete data. (in Russian) (pp. 97-111)
• Mahanti, P. K., B. N. Sahney. An analysis of finite element solution stability. (pp. 112-115)
• Volkov, L. G. Monotone pivotal condensation for six-point difference equations. (in Russian) (pp. 116-120)
• Kutzarova, D. N., S. L. Troyanski. On equivalent norms which are uniformly convex or uniformly differentiable in every direction in symmetric spaces. (pp. 121-134)
• Tonev, T. V. Generalized-analytic sets in a Gleason part. (pp. 135-143)
• Parvanov, Yu. S. Vector optimization and existence theorems in game theory. (pp. 144-148)
• Kostova, V. At. Approximation of a class of bounded convex functions by Bernstein polynomials in L₁. (pp. 149-152)
• Gichev, T. R. A class of singular perturbations in the time-optimum problem. (in Russian) (pp. 153-159)
• Kelevedzhiev, E. S. Sufficient conditions for the existence of a saddle point in a problem of optimal control. (in Russian) (pp. 160-164)
• Nedelcheva, M. D. Characterization of convex subsets of the plane by their local approximation properties. (pp. 165-170)
• Gejn, A. G. The distributive law in a lattice of subalgebras. (in Russian) (pp. 171-179)
• Dmitriev, M.G., A. L. Dontchev, V. M. Veliov. A regularized conditional gradient method applied to singularly perturbed optimal control systems. (pp. 180-185)
• Shabat, G. B. On families of curves covered by bounded symmetric domains. I. (in Russian) (pp. 186-188)
• Heinrich, L. Stable limits for sums of m-dependent random variables. (pp. 189-199)
• Ruscheweyh, St. Two remarks on bounded analytic functions. (pp. 200-202)

Number 3

• Pelov, Ts. R. Periodic automorphisms on a smooth manifold, preserving a closed differential 2-form. (pp. 203-207)
• Madjarova, Ja. D. The Dirichlet problem for a nonlinear convex elliptic equation. (pp. 208-216)
• Kasandrova, I. M., M. D. Kostova. On a class of generalized Riemann entire functions. (pp. 217-220)
• Chobanov, G. I. Some nonuniqueness results for second order semilinear elliptic equations. (pp. 221-228)
• Nikolov, G. St. The space of unordered qualitative attributes of nominal and additive type. (in Russian) (pp. 229-239)
• Yanev, N. M., K. V. Mitov. A critical branching process with decreasing migration. (pp. 240-244)
• Pancheva, E. Grosse Abweichungen der Wartezeit beim GI/GI/I Bedienungssystem mit nicht rekurrentem Eingang. (in German) (pp. 245-250)
• Khadzhiivanov, N. G., N. D. Nenov. On the minimum of the number of 3-anticliques in n-vertex graphs without 3-cliques. (in Russian) (pp. 251-258)
• Binev, P. G., K. G. Ivanov. On a representation of mixed finite differences. (pp. 259-268)
• Dojchinov, D. B. Compactly determined extensions of topological spaces. (pp. 269-286)
• Khyng, Kho Shi. On the Sturm-Liouville problem for a class of nonlinear elliptic equations in unbounded domains. (in Russian) (pp. 287-298)
• Starkov, V. V. Regularity theorems for universal linearly invariant families of functions. (in Russian) (pp. 299-318)

Number 4

• Djidjev, H. N. A separator theorem for graphs of fixed genus. (pp. 319-329)
• Ivanova-Karatopraklieva, I. Rigidity of some classes of surfaces of revolution of mixed curvature whose boundary is not a parallel. (in Russian) (pp. 330-340)
• Nenov, N. D., N. G. Khadzhiivanov. Every Ramsey graph without 5-cliques has more than 11 vertices. (in Russian) (pp. 341-356)
• Dimitrov, M. M. Note on a paper of Grosswald and Schnitzer. (pp. 357-358)
• Andreev, A. B. Superconvergence du gradient des solutions approchees pour les equations paraboliques. (Superconvergence of the gradient of approximate solutions for parabolic equations) (in French) (pp. 359-368)
• Djidjev, H. N. A linear algorithm for partitioning graphs of fixed genus. (pp. 369-387)
• Kostova, V. A. An exact estimate of the approximation of the function x^a with Bernstein polynomials in Hausdorff metric. (pp. 388-391)
• Stojanova, M. P. Approximation of a convex function by algebraic polynomials in L_p[a,b] (1 < ¥ < p). (pp. 392-397)
• Ivanov, K. G. Shape-preserving interpolation and approximation. (pp. 398-413)
• Stankov, D. K. On non-continuability of generalized analytic functions. (in Russian) (pp. 414-424)