KOčINAC, Ljubiša D.R. Selection principles and continuous images. CUBO, A Mathematical Journal, [S. l.], v. 8, n. 2, p. 23–31, 2006. Disponível em: https://cubo.ufro.cl/index.php/cubo/article/view/1601. Acesso em: 23 nov. 2025.