SENASHOV, V. I. Almost layer finiteness of a periodic group without involutions. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 51, n. 11, p. 1529–1533, 1999. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4754. Acesso em: 5 dec. 2025.