TY  - JOUR
AU  - Leon S. Farhy
TI  - Trapping obstacles with nonhyperbolic periodic ray, asymptotic behaviour of solutions.
JO  - Mathematische Zeitschrift
PY  - 1994
SP  - 143
EP  - 166
VL  - 217
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZ_1994__217_1_174685/
ID  - MZ_1994__217_1_174685
ER  -