BALAJ, M.; O‘REGAN, D. An Intersection Theorem and its Applications. CUBO, A Mathematical Journal, [S. l.], v. 10, n. 4, p. 73–83, 2008. Disponível em: https://cubo.ufro.cl/ojs/index.php/cubo/article/view/1489. Acesso em: 19 apr. 2024.