%0 Journal Article
%A Wolfgang Eichhorn
%A Udo Müller
%T Regions on Substitution, Curves of Minimal Cost, and Isoquants of Homogeneous Production Functions. (Short Communication).
%J Aequationes mathematicae
%D 1968
%P 202-203
%V 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM2_1968__1_135961/
%F AM2_1968__1_135961