%0 Journal Article %A Tor Skjelbred %T Cohomology eigenvalues of equivariant mappings. %J Commentarii mathematici Helvetici %D 1978 %P 634-642 %V 53 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMH_1978__53_139761/ %F CMH_1978__53_139761