TY  - JOUR
AU  - A. A. Bondarenko
TI  - On the problem of the maximality of arithmetic subgroups of indefinite orthogonal groups of type~$(D_l)$
JO  - Sbornik. Mathematics
PY  - 1991
SP  - 417
EP  - 430
VL  - 69
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1991_69_2_a5/
LA  - en
ID  - SM_1991_69_2_a5
ER  -