LI, Xianhua; ZHAO, Tao. $S\Phi$-Supplemented subgroups of finite groups. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 64, n. 1, p. 92–99, 2012. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2558. Acesso em: 6 dec. 2025.