%0 Journal Article %A E. Neuman %T Optimal bounds for certain bivariate means %J Problemy analiza %D 2014 %P 35-43 %V 3 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/PA_2014_3_1_a2/ %G en %F PA_2014_3_1_a2