%0 Journal Article
%A O. P. Ruzmanov
%T Reflection subgroups of Bianchi groups
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1990
%P 227-228
%V 45
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1990_45_1_a19/
%G en
%F RM_1990_45_1_a19