DOW, Alan; HART, K.P. All Parovichenko spaces may be soft-Parovichenko. Topology Proceedings, [S. l.], v. 59, p. 209–221, 2021. Disponível em: https://www.topologyproceedings.org/index.php/tp/article/view/43. Acesso em: 30 jun. 2026.