%0 Journal Article %A Richard Elman %A T.Y. Lam %T Classification Theorems for Quadratic Forms over Fields %J Commentarii mathematici Helvetici %D 1974 %P 373-381 %V 49 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMH_1974__49_139590/ %F CMH_1974__49_139590