SANABRIA, José; ACOSTA, Edumer; CARPINTERO, Carlos; ROSAS, Ennis. Continuity via ΛsI-open sets. CUBO, A Mathematical Journal, [S. l.], v. 17, n. 1, p. 75–84, 2015. DOI: 10.4067/S0719-06462015000100006. Disponível em: https://cubo.ufro.cl/index.php/cubo/article/view/1152. Acesso em: 12 oct. 2025.