| Issue Date | Title | Author(s) | Publisher |
| 2002 | On the Stabilization of the Wave Equation by the Boundary | Cardoso, Fernando; Vodev, Georgi | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 1991 | On the strong asymptotic behavior of asymptotically nonexpansive semi-groups in Banach spaces | Miyadera, Isao | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 1973 | On the strongly regular group rings | Mihovski, S. V. | Bulgarian Academy of Sciences |
| 1986 | On the Structure of Algebraic Associative Division Algebras over Solvable and Nilpotent Fields | Chipchakov, Ivan D. | Institute of Mathematics and Informatics at the Bulgarian Academy of Sciences |
| 1997 | On the Structure of Spatial Branching Processes | Matthes, Klaus; Nawrotzki, Kurt; Siegmund-Schultze, Rainer | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 1966 | On the Synge's formula for the vortex resistance and of the Kamenkov's criteriaon for the stability of the Karman's vortex streets | Dolaptchiev, Blagovest | Bulgarian Academy of Sciences |
| 2015 | On the Time Complexity of the Problem Related to Reducts of Consistent Decision Tables | Janos, Demetrovics; Thi, Vu Duc; Giang, Nguyen Long; Duong, Tran Huy | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 2003 | On the Transformations of Symplectic Expansions and the Respective Bäcklund Transformation for the KDV Equation | Khristov, E. | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 1974 | On the Ulm's invariants of the group of normed units of the modular group-rings of primary Abelian groups | Mollov, Todor | Bulgarian Academy of Sciences |
| 2006 | On the Uniform Convergence of Partial Dunkl Integrals in Besov-Dunkl Spaces | Abdelkefi, Chokri; Sifi, Mohamed | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 1999 | On the Uniform Decay of the Local Energy | Vodev, Georgi | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 1986 | On the Uniqueness of Certain Codes Meeting the Griesmer Bound | Manev, Nicolai L. | Institute of Mathematics and Informatics at the Bulgarian Academy of Sciences |
| 2008 | On the Various Bisection Methods Derived from Vincent’s Theorem | Akritas, Alkiviadis; Strzeboński, Adam; Vigklas, Panagiotis | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 2009 | On the Vertex Folkman Numbers Fv(2,...,2;q) | Nenov, Nedyalko | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 2007 | On the Vertex Separation of Cactus Graphs | Markov, Minko | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 2008 | On the Vertex Separation of Maximal Outerplanar Graphs | Markov, Minko | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 2008 | On the Weight Distribution of the Coset Leaders of Constacyclic Codes | Velikova, Evgeniya; Bojilov, Asen | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 1966 | On the word selection system from read-only memory according to a given address | Dimitrova, Maria | Bulgarian Academy of Sciences |
| 1972 | On the “zero elements” in case of a machine translation and automatic processing of natural languages | Lyudskanov, Aleksandâr | Bulgarian Academy of Sciences |
| 2003 | On the Zeros of the Solutions to Nonlinear Hyperbolic Equations with Delays | Petrova, Z. A.; Mishev, D. P. | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
