TY - JOUR AU - Balz Bürgisser TI - On the Projective Class Group of Arithmetic Groups. JO - Mathematische Zeitschrift PY - 1983 SP - 339 EP - 358 VL - 184 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZ_1983__184_173368/ ID - MZ_1983__184_173368 ER -