%0 Journal Article %A J.-P. Labesse %A J. Schwermer %T On liftings and cusp cohomology of arithmetic groups. %J Inventiones mathematicae %D 1986 %P 383-402 %V 83 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1986__83_143317/ %F IM_1986__83_143317