KAZARIN , L. S. Product of a group with cyclic force p-subgroup and a group with a nontrivial centre. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 44, n. 6, p. 773–779, 1992. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/8008. Acesso em: 14 apr. 2025.