%0 Journal Article %A Walter Bossert %A Andreas Pfingsten %T Ordinal utility and economic price indices. %J Aequationes mathematicae %D 1992 %P 188-193 %V 44 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1992__44_1_137491/ %F AM2_1992__44_1_137491