Qi F. The extended mean values: Definition, Properties, Monotonicities, Comparison, Convexities, Generalizations, and Applications. CUBO [Internet]. 2003 Oct. 1 [cited 2024 May 13];5(3):63–90. Available from: https://www.perspectivasdelacomunicacion.cl/ojs/index.php/cubo/article/view/1666