Vasil’evA. F. “On Abnormally Factorizable Finite Solvable Groups”. Ukrains’kyi Matematychnyi Zhurnal 54, no. 9 (September 25, 2002): 1163-1171. Accessed November 22, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/4156.