VASIL'EV, A. F. On Abnormally Factorizable Finite Solvable Groups. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 54, n. 9, p. 1163–1171, 2002. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4156. Acesso em: 14 apr. 2025.