“Factorizations of the groups of Lie type of Lie rank three over fields of 2 or 3 elements” (1993) Annual of Sofia University St. Kliment Ohridski. Faculty of Mathematics and Informatics, 85, pp. 83–88. Available at: https://annual.uni-sofia.bg/index.php/fmi/article/view/457 (Accessed: 14 December 2025).