TY  - JOUR
AU  - Svetlana Katok
TI  - Closed geodesics, periods and arithmetic of modular forms.
JO  - Inventiones mathematicae
PY  - 1985
SP  - 469
EP  - 480
VL  - 80
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM_1985__80_143240/
ID  - IM_1985__80_143240
ER  -