1.
Guo W, Skiba AN, Shum KP. $X$-permutable maximal subgroups of Sylow subgroups of finite groups. Ukr. Mat. Zhurn. [Internet]. 2006Oct.25 [cited 2023Feb.5];58(10):1299–1309. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/3533