Liu, Shuoh-Jung, Gou-Sheng Yang, and Yi-Jhe Chen. “Inequalities on Several Quasi-Arithmetic Means”. Tamkang Journal of Mathematics 43, no. 2 (June 20, 2012): 259–266. Accessed April 26, 2024. https://journals.math.tku.edu.tw/index.php/TKJM/article/view/841.