Xiaolan, Yi, and Yang Xue. “Finite Groups With X-Quasipermutable Sylow Subgroups”. Ukrains’kyi Matematychnyi Zhurnal 67, no. 12 (December 25, 2015): 1715-1722. Accessed July 25, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/2104.