SKORDEV, D. SOME SHORT HISTORICAL NOTES ON DEVELOPMENT OF MATHEMATICAL LOGIC IN SOFIA. Ann. Sofia Univ. Fac. Math. and Inf., [S. l.], v. 96, p. 11–21, 2004. Disponível em: https://ftl5.uni-sofia.bg/index.php/fmi/article/view/157. Acesso em: 21 nov. 2024.