1. Marshall, AW, Olkin, I, Arnold, BC: Inequalities: Theory of Majorization and Its Applications, 2nd edn. Springer, New York (2011)
2. Wang, BY: Foundations of Majorization Inequalities. Beijing Normal University Press, Beijing (1990) (in Chinese)
3. Zhang, XM: Geometrically Convex Functions. An’hui University Press, Hefei (2004) (in Chinese)
4. Chu, YM, Zhang, XM, Wang, GD: The Schur geometrical convexity of the extended mean values. J. Convex Anal. 15(4), 707-718 (2008)
5. Guan, K-Z: A class of symmetric functions for multiplicatively convex function. Math. Inequal. Appl. 10(4), 745-753 (2007)