Serdica Bulgariacae mathematicae publicationes
Volume 18, 1992
Number 12

Semenov, P. V.
Selections of graphvalued maps.
(pp. 39)

Peng, YeeHock.
Three families of chromatically unique graphs.
(pp. 1016)

Ivanov, I. G.
Parallel numerical algorithm for spectral problem of
block Hermitian matrices.
(pp. 1722)

Jassim, S.K.
Direct and inverse inequalities for some discrete
operators of bounded measurable functions.
(pp. 2335)

Toth, J., L. Zsilinszky.
Insertion of E_{p}(l) to
L_{¥} for the best approximation in Haar's system of
functions if 0 < p < 1.
(pp. 3642)

Dorta Díaz, J. A., J. M. R. Méndez Pérez.
Finite
HankelClifford transformations of the first kind of arbitrary
order.
(pp. 4358)

IvanovaKaratopraklieva, I.
Infinitesimal bending of higher order of
rotational surfaces with a planar pole.
(pp. 5978)

Gichev, T. R.
A class of linear differential equations with
unbounded coefficients. I: Properties and solutions. (in Russian)
(pp. 7989)

Gichev, T. R., R. K. Angelova.
A class of linear
differential equations with unbounded coefficients. II: Some
applications. (in Russian)
(pp. 9098)

Przemski, M.
On some forms of cliquishness on topological
spaces.
(pp. 99117)

Jassim, S. K.
Best onesided approximation and approximation with
trigonometric operators in L_{p}, 0 < p < 1.
(pp. 118128)
Number 34

Choban, M. M.
The structure of locally compact algebras.
(pp. 129137)

Kolikov, K. Kh.
On regular crossed products in groups and rings.
(in Russian)
(pp. 138143)

Stanilov, G.
On the geometry of almost Hermitian manifolds of
constant type.
(pp. 144149)

Staikova, M. T., K. I. Gribachev.
Canonical connections and their
conformal invariants on Riemannian almostproduct manifolds.
(pp. 150161)

Abujabal, H. A. S.
Commutativity results for onesided $s$unital and
semiprime rings.
(pp. 162172)

Gadag, V. G., M. B. Rajarshi.
On processes associated with a
supercritical Markov branching process.
(pp. 173178)

Todorov, M. I.
Linear vector optimization. Properties of the
efficient sets.
(pp. 179185)

Dimitrova, J. M.
Radicals of crossed products.
(pp. 186195)

Dimou, G. E.
Complete classification of convex cones and skeletons of
dimensions seven up to thirteen.
(pp. 196205)

Dobreva, M., St. Kerpedjiev.
Automatic conversion of encyclopedia
entries into a hypertext.
(pp. 206214)

Yalamov, P. Y.
Backward error analysis of LUdecomposition for
pentadiagonal matrices.
(pp. 215223)

Daskalov, R. N.
Binary linear block codes with improved minimum
distance bounds.
(pp. 224231)

Gal, S. Gh.
Calculus of higher order averaged modulus of smoothness
in L^{p}norm for convex functions of higher order.
(pp. 232239)

Ignatov, Z. G.; T. M. Mills, I.P. Tzankova.
On the rate of
approximation of random functions.
(pp. 240247)

Mishra, S.
Integrals involving Bessel polynomials, hypergeometric
series and Fox's Hfunction, and FourierBessel polynomial
expansions for products of generalized hypergeometric functions.
(pp. 248259).

Belger, M.
Eigenvalue distribution of invariant linear elliptic
differential operators of arbitrary order with constant
coefficients.
(pp. 260277)

Boyvalenkov, P.
On the upper bounds for the kissing numbers.
(pp. 278285)

Mahdi, K.
On Sendov's bound for zeros of a polynomial.
(pp. 286292).

Zarnan, J. A., M. G. Petkov.
Twosided methods for computing the roots
of matrices.
(pp. 293298)
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