ARGANGEL’SKII, A. V.; VAN MILL, J. Dense topological groups in Parovičenko spaces. Topology Proceedings, [S. l.], v. 59, p. 279–288, 2021. Disponível em: https://www.topologyproceedings.org/index.php/tp/article/view/135. Acesso em: 30 jun. 2026.