%0 Journal Article
%A Hilton, P. J.
%A Wu, Y.-C.
%T On the Addition of Relations in an Abelian Category
%J Canadian journal of mathematics
%D 1970
%P 66-74
%V 22
%N 1
%U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1970-009-7/
%R 10.4153/CJM-1970-009-7
%F 10_4153_CJM_1970_009_7