%0 Journal Article
%A Soren Jondrup
%A Anders Jensen
%T Smash products, group actions and group graded rings.
%J Mathematica Scandinavica
%D 1991
%P 161-170
%V 68
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MS2_1991__68_1_167154/
%F MS2_1991__68_1_167154