%0 Journal Article
%A Ulrich Oberst
%T Homology of Categories and Exactness of Direct Limits.
%J Mathematische Zeitschrift
%D 1968
%P 87-115
%V 107
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1968__107_171056/
%F MZ_1968__107_171056