Dolaptschieff’s works on fluid mechanics (in Bulgarian). Annual of Sofia University St. Kliment Ohridski. Faculty of Mathematics and Informatics, [S. l.], v. 98, p. 39–50, 2008. Disponível em: https://annual.uni-sofia.bg/index.php/fmi/article/view/128. Acesso em: 17 dec. 2025.