KurdachenkoL. A. and Soules P. (2003) “Groups with Hypercyclic Proper Quotient Groups”, Ukrains’kyi Matematychnyi Zhurnal, 55(4), pp. 470-478. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/3920 (Accessed: 27July2024).