TY  - JOUR
AU  - Mika Seppälä
AU  - Tuomas Sorvali
TI  - Parametrization of reflection groups acting in a disk.
JO  - Manuscripta mathematica
PY  - 1989
SP  - 135
EP  - 154
VL  - 64
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MM2_1989__64_2_155401/
ID  - MM2_1989__64_2_155401
ER  -