SemenchukV. N. “Minimal Nonsupersolvable and Minimum Nonnilpotent Groups and Their Role in the Study of the Structure of Finite Groups”. Ukrains’kyi Matematychnyi Zhurnal 69, no. 8 (August 25, 2017): 1141-1144. Accessed December 22, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/1764.