ZUZUK, L. I. Construction of nonnilpotent biprimary dispersible groups with metacyclic subgroups of nonprimary index. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 49, n. 6, p. 849–851, 1997. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5071. Acesso em: 5 dec. 2025.