Serdica Bulgariacae mathematicae publicationes
Volume 13, 1987
Number 1

Iliev, L. G.
The Szego problem for univalent functions. (in Russian)
(pp. 317)

Iliev, L. G.
The difference quotient for univalent functions. (in Russian)
(pp. 1820)

FitzGerald, Kh., Ch. Pommerenke.
De Branges' theorem on univalent functions. (in Russian)
(pp. 2125)

Gavrilov, L.
Invariant asymptotic stable tori in the perturbed
sineGordon equation.
(pp. 2651)

Kjurkchiev, N., A. Andreev.
Ehrlich's methods with a raised speed of convergence.
(pp. 5257)

Zacharek, S.
A difference method for weak solutions of nonlinear partial differential equations of the first order with a retarded argument.
(pp. 5862)

ArolskaKhekimova, M., G. Sarafova.
Periodic solutions of linear, singularly perturbed systems of differential equations with impulse effect. (in Russian)
(pp. 6375)

Singh, H.
On focal locus of submanifolds of naturally reductive
compact Riemannian homogeneous spaces.
(pp. 7683)

Degoli, L.
Un théorème fondamental sur les systèmes linéaires de quadriques. (A fundamental theorem on linear systems of quadrics) (in French)
(pp. 8491)

Krzysko, M., J. Wachowiak.
Classifying series realisations from ARMA (p,q) processes.
(pp. 9297)

Mijnheer, J.
On the rate of escape of a transient random walk.
(pp. 98105)
Number 2

Hung, Ho Chi
SturmLiouville problem for a class of nonlinear
elliptic equations in bounded domains. (in Russian)
(pp. 107115)

Dimitrov, M. Ts.
The queueing system PhG1 with the unreliable server. (in Russian)
(pp. 116125)

Stefanov, P.
Existence and completeness of the wave operators for
dissipative systems.
(pp. 126132)

Rassias, T. M.
On some new properties of harmonic mappings.
(pp. 133136)

Barnev, P., S. Kerpedjiev.
Automatic Data Extraction from specialized texts.
(pp. 137143)

ArolskaKhekimova, M. A.
Existence and properties of periodic solutions of linear singularly perturbed systems of differential
equations with impulse effect. (in Russian)
(pp. 144149)

Kyurkchiev, N. V., M. Petkov.
On some interpolation methods for the solution of nonlinear equations. (in Russian)
(pp. 150154)

Baskiene, A. L.
Almost paracontact metric hypersurfaces of the tangent bundle of a Riemannian space. (in Russian)
(pp. 155163)

Degoli, L.
Classification integrale des transformations ponctuelles entre deux plans. (Complete classification of point transformations between two planes) (in French)
(pp. 164169)

Kalla, Sh. L.
Functional relations by means of RiemannLiouville operator.
(pp. 170173)

Jezierski, J.
The Nielsen relation for multivalued maps.
(pp. 174181)

Pathan, M. A., Yasmeen.
Generating functions for the Jacobi polynomials.
(pp. 182187)

Stankov, D. K.
Polynomial approximation of hyperanalytic functions.
(pp. 188193)

Remus, D.
On the number of Hausdorff group topologies on
infinite Abelian and free groups.
(pp. 194196)

Miernowski, A., W. Mozgawa.
A note on the theorem of Pasternak.
(p. 197)
Number 3

Khadzhiivanov, N. G., N. D. Nenov, I. Zh. Pashov.
Every 14vertex graph with a unique triangle has not less than five
5anticliques. (in Russian)
(pp. 199209)

Zashev, J. A.
Recursion theory in Bcombinatory algebras. (in Russian)
(pp. 210223)

Pashov, I. Zh.
Description of all realizations of the Ramsey multiplicity M(3,5). (in Russian)
(pp. 224238)

Kerpedjiev, S. M.
A technique of automatic data extraction from specialized texts. (pp. 239251)

Chan Zoan Fu.
A stochastic model of control over reserves under conditions of incomplete information on allocation of demand. (in Russian)
(pp. 252257)

Nikolaev, R. St.
Structure of the Tideal generated by the Hall
identity of three variables. I. (in Russian)
(pp. 258266)

Demetrovics, J., Ho Thuan.
Some additional properties of keys for relation schemes.
(pp. 267271)

Semerdzhiev, Kh. I., R. M. Yamaleev.
Separation of variables in a system of polynomialnonlinear algebraic equations by the method of matrix realization. (in Russian)
(pp. 272280)

Cieslak, W., S. Gozdz.
On curves which bound special
convex sets.
(pp. 281286)

Aleksiev, V. A.
Almost contact metric manifolds with some
conditions concerning the structure tensor fields.
(pp. 287292)

Vasileva, M. K.
Locally decomposable Riemannian spaces with
a constant holomorphic 4curvature.
(pp. 293296)
Number 4

Dodunekova, R.
Extremal properties of linear minimax estimators
in a stochastic model. (in Russian)
(pp. 297302)

Cankova, I. P.
Estimation of the order of Markov chains. I. Akaike's information criterion for the case of discretetime Markov processes.
(pp. 303319)

Drensky, V. S.
Extremal varieties of algebras. I. (in Russian)
(pp. 320332)

Petrov, D. I.
Foundation of the method of harmonic balance for
singlecircuit systems with continuous lags. (in Russian)
(pp. 333340)

Andrezejczak, K. J.
Some properties of multistate BWsystems.
(pp. 341346)

Angelova, D. C., D. D. Bajnov.
Necessary and sufficient conditions for the existence of nonoscillatory solutions and oscillation of all
solutions of second order functional differential equations.
(pp. 347360)

Nikolaev, R. S.
Structure of the Tideal generated by the
Hall identity of three variables. II. (in Russian)
(pp. 361365)

Ugowski, H.
On systems of random ordinary differential equations
of the first order.
(pp. 366374)

Vassileva, M. K.
Generalized Bmanifolds with bounded
holomorphic 4curvature.
(pp. 375378)

Pilibossian, Ph., J.P. Quelen.
Estimation des parametres de la loi normale par la methode de la distance mimimale a l'aide de l'algorithme de la regression minimax. (Parameter estimation of the normal law by the method of minimum distance with the aid of the minimax regression algorithm) (in French)
(pp. 379381)

Dia, G.
Etude d'un estimateur de la fonction de regression pour
un processus ponctuel a valeurs dans R_{+}^{s} × R (s ³ 1).
(Study of an estimator of the regression function of a point process
with values in R_{+}^{s} × R (s ³ 1)). (in French)
(pp. 383395)

Fichtner, K.H., M. Schmidt.
Approximation of a continuous system by point systems.
(pp. 396402)

Beer, G., L. Villar.
On the approximation of starshaped sets in Hausdorff distance.
(pp. 403407)

Ivanov, S. P.
Pure Csemisymmetric Jconnections on an almost complex manifold.
(pp. 408413)

Iliev, I. D., K. P. Kirchev.
Stability of the kink form solutions for some nonlinear equations similar to the Kortewegde Vries equation. (in Russian)
(pp. 414419)

Izydorek, M.
On the BourginYang theorem for multivalued maps in
the nonsymmetric case. II.
(pp. 420422)
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