@article{10_2140_agt_2012_12_1405, author = {Jeanneret, Alain and W\"uthrich, Samuel}, title = {Quadratic forms classify products on quotient ring spectra}, journal = {Algebraic and Geometric Topology}, pages = {1405--1441}, year = {2012}, volume = {12}, number = {3}, doi = {10.2140/agt.2012.12.1405}, url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2012.12.1405/} }