TY  - JOUR
AU  - Walter D. Neumann
TI  - The fixed group of an automorphism of a word hyperbolic group is rational.
JO  - Inventiones mathematicae
PY  - 1992
SP  - 147
EP  - 150
VL  - 110
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM_1992__110_2_144046/
ID  - IM_1992__110_2_144046
ER  -