Kniahina V. N., and Monakhov V. S. “Finite Groups With $\Bbb P$-Subnormal Sylow Subgroup”. Ukrains’kyi Matematychnyi Zhurnal 72, no. 10 (October 25, 2020): 1365 - 1371. Accessed October 3, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/2264.