Gentchev, Tsanko, and Kerope Tchakerian. “Factorizations of the Groups of Lie Type of Lie Rank Three over Fields of 2 or 3 Elements”. Ann. Sofia Univ. Fac. Math. and Inf. 85 (December 12, 1993): 83–88. Accessed November 22, 2024. https://annual.uni-sofia.bg/index.php/fmi/article/view/457.