%0 Journal Article
%A E. V. Dybkova
%T Congruence subgroups of the symplectic group
%J Zapiski Nauchnykh Seminarov POMI
%D 1976
%P 80-91
%V 64
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZNSL_1976_64_a7/
%G ru
%F ZNSL_1976_64_a7