%0 Journal Article %A Slavko Simić %T A simple proof of monotonicity for Stolarsky and Gini means %J Kragujevac Journal of Mathematics %D 2009 %P 75 %V 32 %I mathdoc %U http://geodesic.mathdoc.fr/item/KJM_2009_32_a6/ %G en %F KJM_2009_32_a6