%0 Journal Article %A Wolfgang J. Bühler %T Two Proofs Of The Kantorovich Inequality And Some Generalizations. %J Revista colombiana de matematicas %D 1987 %P 147-154 %V 21 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/RCM_1987__21_1_181787/ %F RCM_1987__21_1_181787