TY  - JOUR
AU  - S.M. Gersten
TI  - Intersections of Finitely Generated Subgroups of Free Groups and Resolutions de Graphs.
JO  - Inventiones mathematicae
PY  - 1983
SP  - 567
EP  - 592
VL  - 71
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM_1983__71_143005/
ID  - IM_1983__71_143005
ER  -