HRISTOV, E. 100 years since Blagovest Dolapchieff birth. Ann. Sofia Univ. Fac. Math. and Inf., [S. l.], v. 98, p. 33–37, 2008. Disponível em: https://ftl5.uni-sofia.bg/index.php/fmi/article/view/127. Acesso em: 4 dec. 2024.