TY  - JOUR
AU  - Jasbir Singh Chahal
TI  - A Note on the Discontinuous Subgroups of the Orthogonal Group.
JO  - Mathematische Zeitschrift
PY  - 1979
SP  - 181
EP  - 186
VL  - 167
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZ_1979__167_172846/
ID  - MZ_1979__167_172846
ER  -