POLETSKIKH, V. M.; SHESTAKOV, S. S. On topological groups with weak minimality (maximality) condition for noncompact subgroups. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 46, n. 10, p. 1393–1398, 1994. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5619. Acesso em: 6 dec. 2025.