Gritsuk, Dmitry Vladimirovich, and Victor Stepanovich Monakhov. “On Maximal Subgroup of a Finite Solvable Group”. Eurasian Mathematical Journal 3, no. 2 (June 30, 2012): 129–134. Accessed September 19, 2025. https://emj.enu.kz/index.php/main/article/view/796.