BALAJ, Mircea; O‘REGAN, Donal. 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/index.php/cubo/article/view/1489. Acesso em: 17 feb. 2026.