| Issue Date | Title | Author(s) | Publisher |
| 2003 | On a Class of Elliptic Equations for the N-Laplacian in R^n with One-Sided Exponential Growth | Candela, Anna Maria; Squassina, Marco | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 2001 | On a Class of Generalized Elliptic-type Integrals | Garg, Mridula; Katta, Vimal; Kalla, S. | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 2002 | On a Class of Vertex Folkman Numbers | Nenov, Nedyalko | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 1999 | On a Conditional Cauchy-type Functional Equation Involving Powers | Martin-Gutierrez, Emma | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 1998 | On a Five-Diagonal Jacobi Matrices and Orthogonal Polynomials on Rays in the Complex Plane | Zagorodniuk, S. | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 2000 | On a New Approach to Williamson's Generalization of Pólya's Enumeration Theorem | Iliev, Valentin | Institute of Mathematics and Informatics |
| 1995 | On an Extremal Problem concerning Bernstein Operators | Gonska, Heinz; Zhou, Ding-Xuan | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 2003 | On Arrangements of Real Roots of a Real Polynomial and Its Derivatives | Kostov, Vladimir | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 2003 | On a Stratification Defined by Real Roots of Polynomials | Kostov, Vladimir | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 1995 | On a Two-Dimensional Search Problem | Kolev, Emil; Landgev, Ivan | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 1996 | On a Variational Approach to some Quasilinear Problems | Canino, Annamaria | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 2000 | On Averaging Null Sequences of Real-Valued Functions | Kiriakouli, P. Ch. | Institute of Mathematics and Informatics |
| 1998 | On Extension of Functors onto the Kleisli Category of the Inclusion Hyperspace Monad | Teleiko, Andrii | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 2000 | On Finite Element Methods for 2nd order (semi–) periodic Eigenvalue Problems | De Schepper, H. | Institute of Mathematics and Informatics |
| 2000 | On Minimizing ||S−(AX−XB)||Pp | Mecheri, Salah | Institute of Mathematics and Informatics |
| 2003 | On Nonadaptive Search Problem | Kolev, Emil | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 2002 | On Parabolic Subgroups and Hecke Algebras of some Fractal Groups | Bartholdi, Laurent; Grigorchuk, Rostislav | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 2001 | On Projective Plane of Order 13 with a Frobenius Group of Order 39 as a Collineation Group | Hoxha, Razim | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 2002 | On Representations of Algebraic Polynomials by Superpositions of Plane Waves | Oskolkov, K. | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 2005 | On Root Arrangements of Polynomial-Like Functions and their Derivatives | Kostov, Vladimir | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |