%0 Journal Article %A Powell, Geoffrey M L %T Subrings of singular cohomology associated to spectra %J Algebraic and Geometric Topology %D 2006 %P 1037-1067 %V 6 %N 3 %U http://geodesic.mathdoc.fr/articles/10.2140/agt.2006.6.1037/ %R 10.2140/agt.2006.6.1037 %F 10_2140_agt_2006_6_1037