| Issue Date | Title | Author(s) | Publisher |
| 1999 | On the sense preserving mappings in the Helm topology in the plane | Pyrih, Pavel | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 2002 | On the Stabilization of the Wave Equation by the Boundary | Cardoso, Fernando; Vodev, Georgi | Institute of Mathematics and Informatics 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 2006 | Ontological Approach to Domain Knowledge Representation for Information Retrieval in Multiagent Systems | Gladun, Anatoly; Rogushina, Julia; Shtonda, Victor | Institute of Information Theories and Applications FOI ITHEA |
| 2007 | Ontological Multilevel Modeling Language | Shavrin, Sergey | Institute of Information Theories and Applications FOI ITHEA |
| 2011 | Ontological Presentation of East-Christian Iconographical Art Domain | Pavlova-Draganova, Lilia; Paneva-Marinova, Desislava; Pavlov, Radoslav | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 2007 | An Ontology-based Approach to Student Skills in Multiagent e-Learning Systems | Gladun, Anatoly; Rogushina, Julia | Institute of Information Theories and Applications FOI ITHEA |
| 2008 | Ontology-based Classification of News in an Electronic Newspaper | Tenenboim, Lena; Shapira, Bracha; Shoval, Peretz | Institute of Information Theories and Applications FOI ITHEA |
| 2008 | Ontology-Based Model of Representation of Knowledge about Language Mappings | Knyazeva, Мargarita; Timchenko, Vadim | Institute of Information Theories and Applications FOI ITHEA |
| 2008 | An Ontology- Content-based Filtering Method | Shoval, Peretz; Maidel, Veronica; Shapira, Bracha | Institute of Information Theories and Applications FOI ITHEA |
| 2008 | Ontology View on Automata Theory | Krivoi, Sergey; Matveyeva, Lyudmila; Lukianova, Yelena; Sedleckaya, Оlga | Institute of Information Theories and Applications FOI ITHEA |
| 2006 | On Two Saigo’s Fractional Integral Operators in the Class of Univalent Functions | Kiryakova, Virginia | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 1997 | On Typical Compact Convex Sets in Hilbert Spaces | De Blasi, F. | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
