Life and scientific achievements of Yaroslav Tagamlitzki (in Bulgarian). Annual of Sofia University St. Kliment Ohridski. Faculty of Mathematics and Informatics, [S. l.], v. 91, p. 13–19, 1999. Disponível em: https://annual.uni-sofia.bg/index.php/fmi/article/view/265. Acesso em: 11 jan. 2026.