%0 Journal Article %A M.S. Raghunathan %T On the congruence subgroup problem, II. %J Inventiones mathematicae %D 1986 %P 73-118 %V 85 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1986__85_143360/ %F IM_1986__85_143360