DASHKOVA, O. Yu. Locally nilpotent groups of finite non-Abelian sectional rank. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 47, n. 4, p. 452–455, 1995. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5441. Acesso em: 27 apr. 2025.