TY  - JOUR
AU  - È. B. Vinberg
TI  - Discrete groups generated by reflections in Lobachevskii spaces
JO  - Sbornik. Mathematics
PY  - 1967
SP  - 429
EP  - 444
VL  - 1
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1967_1_3_a7/
LA  - en
ID  - SM_1967_1_3_a7
ER  -