%0 Journal Article %A ALFONSO G. AZPEITIA %T Convex functions and the Hadamard inequality %J Revista colombiana de matematicas %D 1994 %P 7-12 %V 28 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/RCM_1994_28_1_a1/ %F RCM_1994_28_1_a1