TY - JOUR AU - Yu. P. Solov'ev TI - Discrete subgroups, Bruhat--Tits buildings and homotopy invariance of higher signatures JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1976 VL - 31 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1976_31_1_a21/ LA - ru ID - RM_1976_31_1_a21 ER -