TY - JOUR AU - Jeanneret, Alain AU - Wüthrich, Samuel TI - Quadratic forms classify products on quotient ring spectra JO - Algebraic and Geometric Topology PY - 2012 SP - 1405 EP - 1441 VL - 12 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.2140/agt.2012.12.1405/ DO - 10.2140/agt.2012.12.1405 ID - 10_2140_agt_2012_12_1405 ER -