%0 Journal Article %A S.M. Gersten %T Intersections of Finitely Generated Subgroups of Free Groups and Resolutions de Graphs. %J Inventiones mathematicae %D 1983 %P 567-592 %V 71 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1983__71_143005/ %F IM_1983__71_143005