DOVZHENKO, S. A. On the Chernikova theorem on well-factorizable groups. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 51, n. 6, p. 854–855, 1999. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4673. Acesso em: 5 dec. 2025.