PROTASOV, I. V. Two theorems on imbeddings of 0-dimensional groups. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 46, n. 11, p. 1594–1596, 1994. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5603. Acesso em: 14 apr. 2025.