LAFFI, Raoudha. Some inequalities associated with a partial differential operator. CUBO, A Mathematical Journal, [S. l.], v. 27, n. 3, p. 681–700, 2025. DOI: 10.56754/0719-0646.2703.681. Disponível em: https://cubo.ufro.cl/index.php/cubo/article/view/4197. Acesso em: 12 mar. 2026.