%0 Journal Article
%A L. BREEN
%T Extensions of Abelian Sheaves and Eilenberg-MacLane Algebras.
%J Inventiones mathematicae
%D 1969
%P 15-44
%V 9
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM_1969__9_141994/
%F IM_1969__9_141994