1.
Skordev D. SOME SHORT HISTORICAL NOTES ON DEVELOPMENT OF MATHEMATICAL LOGIC IN SOFIA. Ann. Sofia Univ. Fac. Math. and Inf. [Internet]. 2004 Dec. 12 [cited 2024 Dec. 4];96:11-2. Available from: https://stipendii.uni-sofia.bg/index.php/fmi/article/view/157