QI, F. The extended mean values: Definition, Properties, Monotonicities, Comparison, Convexities, Generalizations, and Applications. CUBO, A Mathematical Journal, [S. l.], v. 5, n. 3, p. 63–90, 2003. Disponível em: https://cubo.ufro.cl/ojs/index.php/cubo/article/view/1666. Acesso em: 20 may. 2024.