%0 Journal Article
%A Avner Ash
%T Cohomology of Congruence Subgroups of SL (n,Z).
%J Mathematische Annalen
%D 1980
%P 55-74
%V 249
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MAN_1980__249_163390/
%F MAN_1980__249_163390