ROSAS, E.; CARPINTERO, C.; HUSSAIN, S. (i, j)-ω-semiopen sets and (i, j)-ω-semicontinuity in bitopological spaces. CUBO, A Mathematical Journal, [S. l.], v. 17, n. 3, p. 43–51, 2015. DOI: 10.4067/S0719-06462015000300003. Disponível em: https://cubo.ufro.cl/ojs/index.php/cubo/article/view/1161. Acesso em: 18 may. 2024.