Gudivok, P.M. and Shapochka, I.V. (1999) “On Chernikovp-groups”, Ukrains’kyi Matematychnyi Zhurnal, 51(3), pp. 291–304. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/4613 (Accessed: 14 April 2025).