Mathematical Inequalities & Applications · Volume 14, Issue 4 On Schur-convexity and Schur-geometric convexity of four-parameter family of means 14-74 Pages 897-903 DOI 10.7153/mia-14-74 Downloads Short PDF Full PDF PNG Authors Alfred Witkowski Keywords S-means Gini mean Stolarsky mean Schur-convexity Schur-geometric convexity Subject classes 26B25