TY  - JOUR
AU  - Marshall M. Cohen
TI  - On the dynamics and the fixed subgroup of a free group automorphism.
JO  - Inventiones mathematicae
PY  - 1989
SP  - 613
EP  - 638
VL  - 96
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM_1989__96_1_143690/
ID  - IM_1989__96_1_143690
ER  -