KREKNIN, V. A.; MALIK , V. F. Finite p-groups with complementable maximal cyclic subgroups . Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 44, n. 6, p. 780–785, 1992. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/8009. Acesso em: 6 dec. 2025.