| Issue Date | Title | Author(s) | Publisher |
| 2010 | On a Class of Univalent Functions with Negative Coefficients | Pashkouleva, Donka | Union of Bulgarian Mathematicians |
| 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 |
| 2010 | On a Convexity Preserving Integral Operator | Oros, Gheorghe; Irina Oros, Georgia | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 2007 | On a Differential Equation with Left and Right Fractional Derivatives | Atanackovic, Teodor; Stankovic, Bogoljub | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 2008 | On a Direct Approach to the Solution of Inverse Optical Problems | Sharlandjiev, Peter; Stoilov, Georgi | Institute of Information Theories and Applications FOI ITHEA |
| 2011 | On Affine Connections in a Riemannian Manifold with a Circulant Metric and two Circulant Affinor Structures | Dokuzova, Iva; Razpopov, Dimitar | Union of Bulgarian Mathematicians |
| 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 |
| 2010 | On a Hypersingular Equation of a Problem, for a Crack in Elastic Media | Gil, Alexey; Samko, Stefan | 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 |
| 2009 | On a Second Order Condition for Max-Semistable Laws | Canto e Castro, LuIsa; da Graca Temido, Maria | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 2005 | On a Singular Value Problem for the Fractional Laplacian on the Exterior of the Unit Ball | Bezzarga, Mounir; Kefi, Khaled | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 2004 | On a Stochastic Partial Differential Equation with a Noisy Term | Kolkovska, Ekaterina T. | 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 |
| 2012 | On a Summability Method Defined by Means of Hermite Polynomials | Boychev, Georgi | Union of Bulgarian Mathematicians |
| 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 |
