TY  - JOUR
AU  - H. Shimizu
TI  - On discontinuous groups operating on the product of the upper half planes
JO  - Matematika
PY  - 1966
SP  - 126
EP  - 164
VL  - 10
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MAT_1966_10_3_a4/
LA  - ru
ID  - MAT_1966_10_3_a4
ER  -