TY - JOUR AU - Urs Würgler TI - On Products in a Family of Cohomology Theories Associated to the Invariant Prime Ideals of ... (BP). JO - Commentarii mathematici Helvetici PY - 1977 SP - 457 EP - 482 VL - 52 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMH_1977__52_139704/ ID - CMH_1977__52_139704 ER -