KuzennyiN. F., and SemkoN. N. “On Groups Close to Metacyclic Groups”. Ukrains’kyi Matematychnyi Zhurnal 48, no. 6 (June 25, 1996): 782-790. Accessed November 24, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/5278.