IZOSOV , A. V.; SESEKIN , N. F. Groups with the finite number of infinite classes of conjugated subgroups. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 40, n. 3, p. 310–314, 1988. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/9140. Acesso em: 17 feb. 2026.