CHAKALOV, V.; SKORDEV, D. Life and scientific achievements of Yaroslav Tagamlitzki (in Bulgarian). Ann. Sofia Univ. Fac. Math. and Inf., [S. l.], v. 91, p. 13–19, 1999. Disponível em: https://stipendii.uni-sofia.bg/index.php/fmi/article/view/265. Acesso em: 4 dec. 2024.