KurdachenkoL. A. and OtalJ. (2000) “Groups all proper quotient groups of which have Chernikov conjugacy classes”, Ukrains’kyi Matematychnyi Zhurnal, 52(3), pp. 346-353. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/4424 (Accessed: 27July2024).