%0 Journal Article %A Jeanneret, Alain %A Wüthrich, Samuel %T Quadratic forms classify products on quotient ring spectra %J Algebraic and Geometric Topology %D 2012 %P 1405-1441 %V 12 %N 3 %U http://geodesic.mathdoc.fr/articles/10.2140/agt.2012.12.1405/ %R 10.2140/agt.2012.12.1405 %F 10_2140_agt_2012_12_1405