Kurdachenko, L.A. and Semko, N.N. (2006) “Groups with weak maximality condition for nonnilpotent subgroups”, Ukrains’kyi Matematychnyi Zhurnal, 58(8), pp. 1068–1083. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/3514 (Accessed: 16 February 2026).