GuoW., SkibaA. N., and ShumK. P. “$X$-Permutable Maximal Subgroups of Sylow Subgroups of Finite Groups”. Ukrains’kyi Matematychnyi Zhurnal 58, no. 10 (October 25, 2006): 1299–1309. Accessed November 22, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/3533.