BASHUN, S. Yu.; PALCHIK , E. M. Оn the soluble radical of the finite groups. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 72, n. 3, p. 326–339, 2020. DOI: 10.37863/umzh.v72i3.800. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/800. Acesso em: 27 apr. 2025.