%0 Journal Article %A V. Nistor %T Group cohomology and the cyclic cohomology of crossed products. %J Inventiones mathematicae %D 1990 %P 411 %V 99 %N 1 %I mathdoc %U https://geodesic-test.mathdoc.fr/item/IM_1990__99_1_143765/ %G un %F IM_1990__99_1_143765