SENASHOV, V. I. On groups with a strongly imbedded subgroup having an almost layer-finite periodic part. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 64, n. 3, p. 384–391, 2012. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2583. Acesso em: 6 dec. 2025.