%0 Journal Article %A D.L. Webb %T The Lenstra map on classifying spaces and G-theory of group rings. %J Inventiones mathematicae %D 1986 %P 73-90 %V 84 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1986__84_143334/ %F IM_1986__84_143334