Vasil'ev, A.F. (2002) “On Abnormally Factorizable Finite Solvable Groups”, Ukrains’kyi Matematychnyi Zhurnal, 54(9), pp. 1163–1171. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/4156 (Accessed: 14 April 2025).