%0 Journal Article %A Donald W. Anderson %A Donald W. Davis %T A Vanishing Theorem in Homological Algebra %J Commentarii mathematici Helvetici %D 1973 %P 318-327 %V 48 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMH_1973__48_139550/ %F CMH_1973__48_139550