Kreknin V. A., and Malik V. F. “Finite P-Groups With Complementable Maximal Cyclic Subgroups ”. Ukrains’kyi Matematychnyi Zhurnal 44, no. 6 (July 7, 1992): 780-785. Accessed July 27, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/8009.