%0 Journal Article
%A Ky Fan
%T On the Equilibrium Value of a System of Convex and Concave Functions.
%J Mathematische Zeitschrift
%D 1958
%P 271-280
%V 70
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1958__70_169776/
%F MZ_1958__70_169776