%0 Journal Article
%A Choon Jai Rhee
%T Homotopy Functors Determined by Set-Valued Maps.
%J Mathematische Zeitschrift
%D 1970
%P 154-158
%V 113
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1970__113_171264/
%F MZ_1970__113_171264