| Issue Date | Title | Author(s) | Publisher |
| 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 |
| 2001 | On some Results Related to Köthe's Conjecture | Agata, Smoktunowicz | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 2001 | On the 3-Colouring Vertex Folkman Number F(2,2,4) | Nenov, Nedyalko | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 1999 | On The Brill-noether Theory of Spanned Vector Bundles on Smooth Curves | Ballico, E. | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 2005 | On the Convergence of (0,1,2) Interpolation | Muneer, Y. | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 1997 | On the Difference of 4-Gonal Linear Systems on some Curves | Ohbuchi, Akira | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 2000 | On the Exponential Bound of the Cutoff Resolvent | Georgi, Vodev | Institute of Mathematics and Informatics |
| 2003 | On the Extinction Probability for Bisexual Branching Processes in Varying Environments | Molina, Manuel; Mota, Manuel; Ramos, Alfonso | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
