%0 Journal Article %A Urs Würgler %T On Products in a Family of Cohomology Theories Associated to the Invariant Prime Ideals of ... (BP). %J Commentarii mathematici Helvetici %D 1977 %P 457-482 %V 52 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMH_1977__52_139704/ %F CMH_1977__52_139704