Mathematica Balkanica

Vol. 11 (1997), Fasc. 1-2

Dragich Bankovich. Boolean Ring Equations	1
A. Stankovich, J. Madich, P. Stanimirovich. Addition, Subtraction and Multiplication of Sequences of Fractions by Means of Residue Arithmetic and Mathematical Spectra	11
Ekrem Savas. On Almost Summable Sequences and Core of a Sequence in Nonarchimedean Spaces	25
Shigeyoshi Owa. Some Properties of a Linear Operator	31
P. E. Parvanov. A Characterization of Best Multivariate Algebraic Approximations from Below and from Above in Terms of K-Functionals	37
Peter Danchev. Isomorphism of Commutative Semisimple Group Algebras	51
Raina Ivanova. An Orthogonal Tangential Group of Transformations of a 4-Dimensional Riemannian Manifold	57
R. K. Saxena, M. K. Soni. On Unified Fractional Integration Operators	69
V. A. Plotnikov, P. M. Kitanov. Continious Dependence of Solutions of Quasidifferential Equations with Impulses	79
M. M. Choban, S. Y. Nedev. Continuous Selections for Mappings with Generalized Ordered Domain	87
D. S. Stoykov. Continuous Dependence of the Solution of a System of Differential Equations with Impulses on the Initial Condition and on the Right-Hand Side of the System	97
Ognyan Kamenov. Stationary-Periodic Waves in Discrete Media with Cubic Nonlinearity	115
Maria I. Mitreva. On the Means of an Entire Function and its Derivatives	125
Blagovest P. Damyanov. Some Colombeau Products of Distributions	133
Yordan P. Mishev. On One Cubic Identity for KdV Tau-Functions	139
Adriana A. Georgieva. Theoretical Problems of Data Structures Modeling	143
Nora Brambilla, Emilio Montaldi. Remarks on Some Series Considered Ramanujan	153
Bl. Sendov, P. Marinov. Orthonormal Systems of Fractal Functions	169

Vol. 11 (1997), Fasc. 3-4

Radoslav Dimitrovich. On the Roots of a Polynomial	203
Z. Mijajlovic, A. Jovanovich. Almost Constant Families of Functions	207
Stojan Radenovich. A Note on Jensen's Functional	215
D. Dimitrovski, L. Stefanovska, M. Kujumdzieva-Nikolska. Every Riccati Equation Can Be Solved by Quadratures in a Wider Sense	221
Iskra Djonova-Popova. One Novel Strategy for Link-State Shortest-Path Routing Algorithms	229
M. Hristov. On the Integrability Conditions and Structure Properties for Almost Contact Metric Manifolds	239
G. Nakova, K. Gribachev. Submanifolds of Some Almost Contact Manifolds with B-Metric with Codimension Two, I	255
B. Mond, J.E. Pecarich. On Schhwarz's Inequality in Hilbert Space	269
Yordan P. Mishev. On the Faddeev-Tahtajan Identity	275
Erdal Coshkun. Differentiable Functions on Abelian Hilbert-Lie Groups	283
S. Zheleva. Representation of Right Cyclically Ordered Groups as Croups of Automorphisms of a Cyclically Ordered Set	291
Vu Kim Tunn, Nguyen Thi Tinh. Expressions of Legendre Polynomials Through Euler Polynomials	295
L. Galue, A. Al Zamel, S. Kalla. Evaluation of Fractional Integrals Involving Hypergeometric Functions	303
V. Grozdanov. On the Quadratic Discrepancy of One Class of Two-Dimensional Nets	313
Arpad Kurusa. Limited Domain Radon Transform	327
M. Petkov, I. Ivanov. Numerical Computation of Eigenvalues of Hamiltonian Matrices	339
Mancho Manev. Contactly Conformal Transformations of General Type of Almost Contact Manifolds with B-Metric. Applications	347
Nickolay Tzvetkov. Global Existence for Semilinear Massless Dirac Equation with Small Data	359
R. Dodunekova, S. Dodunekov. Sufficient Conditions for Good and Proper Linear Error Detecting Codes via Their Duals	375
Kiril Kolikov. Principal Ideals of Crossed Products	383
Aneta Karaivanova. Adaptive Monte Carlo Methods for Numerical Integration	391
O. Agratini. On a Class of Linear Approximating Operators	407