%0 Journal Article
%A Ulbrich, K.-H.
%T On cohomology of graded group categories
%J Compositio Mathematica
%D 1987
%P 409-417
%V 63
%N 3
%I Martinus Nijhoff Publishers
%U http://archive.numdam.org/item/CM_1987__63_3_409_0/
%G en
%F CM_1987__63_3_409_0