STOYANOVA, R.; TCHOBANOV, I. The mathematical papers of Blagovest Dolaptchiev. An attempt on an analytical bibliography. Ann. Sofia Univ. Fac. Math. and Inf., [S. l.], v. 88, p. 179–219, 1996. Disponível em: https://ftl5.uni-sofia.bg/index.php/fmi/article/view/381. Acesso em: 4 dec. 2024.