FLEISSNER, William; YENGULALP, Lynne. Baire spaces, $G_\delta$’s, and directed complete spaces. Topology Proceedings, [S. l.], v. 59, p. 111–151, 2021. Disponível em: https://www.topologyproceedings.org/index.php/tp/article/view/37. Acesso em: 30 jun. 2026.