YAKOVLEVA, E. N. Solvable subgroups in groups with self-normalizing subgroup. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 60, n. 12, p. 1716–1721, 2008. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3284. Acesso em: 5 dec. 2025.