| Issue Date | Title | Author(s) | Publisher |
| 2019 | Switch-Time Distributions and Processes | Stoynov, Pavel | Institute of Mathematics and Informatics at the Bulgarian Academy of Sciences |
| 2003 | Sylow P-Subgroups of Abelian Group Rings | Danchev, P. | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 2007 | Symbolic Dynamics in the Free-Fall Equal-Mass Three-Body Problem | Mylläri, Aleksandr; Martynova, Alija; Orlov, Victor; Chernin, Arthur | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 2013 | Symbolic Solving of Partial Differential Equation Systems and Compatibility Conditions | Malaschonok, Natasha | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 2004 | Symmetric and Asymmetric Gaps in Some Fields of Formal Power Series | Galanova, N. | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 1997 | Symplectic Representation of a Braid Group on 3-Sheeted Covers of the Riemann Sphere | Rolf-Peter, Holzapfel | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 2007 | Synergetic Methods of Complexation in Decision Making Problems | Voronin, Albert; Mikheev, Yury | Institute of Information Theories and Applications FOI ITHEA |
| 5-Nov-2020 | Syntactic Game ‘Mesiza’s Questions’ – Implications in the Paradigm of E-Science | Barkalova, Petya; Nedeleva, Iva | Institute of Mathematics and Informatics Bulgarian Academy of Sciences, Association for the Development of the Information Society |
| 2005 | Synthesis Methods of Multiple-valued Structures of Language Systems | Bondarenko, Mikhail; Chetverikov, Grigorij; Karpukhin, Alexandr; Roshka, Svetlana; Deyneko, Zhanna | Institute of Information Theories and Applications FOI ITHEA |
| 1972 | A system for automatic drawing of functional circuits | Srebrev, S.; Veličkov, T.; Lazarov, V.; Bojanov, K. | Bulgarian Academy of Sciences |
| 2000 | A System for Simulation and Estimation of Branching Processes | Nitcheva, Daniela; Yanev, Nickolay | Institute of Mathematics and Informatics Bulgarian Academy of Sciences |
| 1972 | A system for symbolic programming for Minsk-2 | Bârnev, Petâr; Tošкov, Dimitâr | Bulgarian Academy of Sciences |
| 10-Aug-2020 | System of Informatics Tasks with Control of Physical Systems – Lego Robot | Chotova, Gabriela; Donchev, Ivaylo | Institute of Mathematics and Informatics – Bulgarian Academy of Sciences |
| 2003 | The System of Quality Prediction on the Basis of a Fuzzy Data and Psychography of the Experts | Voloshin, Oleksii; Panchenko, Maksim | Institute of Information Theories and Applications FOI ITHEA |
| 1972 | A system of the type "k from n" with renewal and exponential life time duration | Obretenov, Apostol; Krâsteva, Maria | Bulgarian Academy of Sciences |
| 2008 | Systemological Bases of Business Intelligence | Bondarenko, Mikhail; Solovyova, Ekaterina; Elchaninov, Dmitriy | Institute of Information Theories and Applications FOI ITHEA |
| 2008 | Systemological Bases of Management Consulting | Bondarenko, Mikhail; Ekaterina, Ekaterina; Elchaninov, Dmitriy | Institute of Information Theories and Applications FOI ITHEA |
| 2007 | Systemological Knowledge-based Technology for Solving Complete Ill-structured Problems | Elchaninov, Dmitriy; Bondarenko, Mikhail; Solovyova, Kateryna; Matorin, Sergey; Matorin, Vasy | Institute of Information Theories and Applications FOI ITHEA |
| 2003 | Systems Analysis: the Structure-and-Purpose Approach Based on Logic-linguistic Formalisation | Lukiyanova, Lyudmila | Institute of Information Theories and Applications FOI ITHEA |
| 16-Jun-2014 | Systems of Differential Equations and Neural Networks with Delays and Impulses | Covachev, Valery Hristov | - |
