%0 Journal Article %A Beno Eckmann %T Amenable groups and Euler characteristic. %J Commentarii mathematici Helvetici %D 1992 %P 383-393 %V 67 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMH_1992__67_3_140276/ %F CMH_1992__67_3_140276