%0 Journal Article
%A J. Aczél
%T Scale-invariant equal sacrifice in  taxation and conditional functional equations.
%J Aequationes mathematicae
%D 1987
%P 336-349
%V 32
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM2_1987__32_137197/
%F AM2_1987__32_137197