CHARIN , V. S.; ZAITSEV , D. I. Groups with finiteness conditions and other restrictions for subgroups. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 40, n. 3, p. 277–287, 1988. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/9136. Acesso em: 17 feb. 2026.