ARTEMOVICH , O. D. On isolated simple-order elements in finite groups. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 40, n. 3, p. 397–400, 1988. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/9156. Acesso em: 17 feb. 2026.