KUZENNYI, N. F.; SEMKO, N. N. On groups close to metacyclic groups. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 48, n. 6, p. 782–790, 1996. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5278. Acesso em: 5 dec. 2025.