%0 Journal Article %A SIMON MARSHALL %A SUG WOO SHIN %T ENDOSCOPY AND COHOMOLOGY IN A TOWER OF CONGRUENCE MANIFOLDS FOR $U(n,1)$ %J Forum of Mathematics, Sigma %D 2019 %V 7 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1017/fms.2019.13/ %R 10.1017/fms.2019.13 %G en %F 10_1017_fms_2019_13