TY  - JOUR
AU  - Eriko Hironaka
TI  - Polynomial periodicity for Betti numbers of covering surfaces.
JO  - Inventiones mathematicae
PY  - 1992
SP  - 289
EP  - 322
VL  - 108
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM_1992__108_2_143996/
ID  - IM_1992__108_2_143996
ER  -