GOUBAULT-LARRECQ, Jean. $\Pi^0_2$ Subsets of Domain-Complete Spaces and Countably Correlated Spaces. Topology Proceedings, [S. l.], v. 58, p. 13–22, 2020. Disponível em: https://www.topologyproceedings.org/index.php/tp/article/view/24. Acesso em: 30 jun. 2026.