KURDACHENKO, L. A.; OTAL, J.; SUBBOTIN, I. Ya. Groups with Bounded Chernikov Conjugate Classes of Elements. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 54, n. 6, p. 798–807, 2002. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4118. Acesso em: 7 apr. 2025.