LI, X. H.; XU, Y. $s$-Conditionally Permutable Subgroups and $p$-Nilpotency of Finite Groups. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 66, n. 6, p. 858–864, 2014. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2184. Acesso em: 27 apr. 2025.