TY  - JOUR
AU  - Peter J. Nicholls
TI  - Fundmental Regions and the Type Problem for a Riemann Surface.
JO  - Mathematische Zeitschrift
PY  - 1980
SP  - 187
EP  - 196
VL  - 174
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZ_1980__174_173005/
ID  - MZ_1980__174_173005
ER  -