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 Nov. 24];96:11-2. Available from: https://ftl5.uni-sofia.bg./index.php/fmi/article/view/157