RESEARCH AND EDUCATION IN STOCHASTICS AT THE FACULTY OF MATHEMATICS AND INFORMATICS OF SOFIA UNIVERSITY “ST. KLIMENT OHRIDSKI”. Annual of Sofia University St. Kliment Ohridski. Faculty of Mathematics and Informatics, [S. l.], v. 102, p. 5–29, 2015. Disponível em: https://annual.uni-sofia.bg/index.php/fmi/article/view/62. Acesso em: 14 dec. 2025.