%0 Journal Article %A Jürg Rätz %A Janusz Matkowski %T On the equality condition in Hölder's and Minkowski inequalities. %J Aequationes mathematicae %D 1993 %P 220-228 %V 46 %N 2-3 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1993__46_2-3_137555/ %F AM2_1993__46_2-3_137555