Kozulin, S. N., V. I. Senashov, and V. P. Shunkov. “On Frobenius Groups With Noninvariant Factor SL 2(3)”. Ukrains’kyi Matematychnyi Zhurnal 58, no. 6 (June 25, 2006): 765–777. Accessed December 5, 2025. https://umj.imath.kiev.ua/index.php/umj/article/view/3494.