TCHOBANOV, I. Blagovest Dolaptchiev - personality and deed. Ann. Sofia Univ. Fac. Math. and Inf., [S. l.], v. 88, p. 11–49, 1996. Disponível em: https://stipendii.uni-sofia.bg/index.php/fmi/article/view/375. Acesso em: 24 nov. 2024.