%0 Journal Article %A David Fried %T Torsion and closed geodesics on complex hyperbolic manfolds. %J Inventiones mathematicae %D 1988 %P 31-52 %V 91 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1988__91_3_143530/ %F IM_1988__91_3_143530