%0 Journal Article %A V. V. Nikulin %T On the classification of arithmetic groups generated by reflections in Lobachevsky spaces %J Izvestiya. Mathematics %D 1982 %P 99-123 %V 18 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1982_18_1_a5/ %G en %F IM2_1982_18_1_a5