TY  - JOUR
AU  - Gábor Tardos
TI  - On the intersection of subgroups of a free group.
JO  - Inventiones mathematicae
PY  - 1992
SP  - 29
EP  - 36
VL  - 108
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM_1992__108_2_143986/
ID  - IM_1992__108_2_143986
ER  -