%0 Journal Article %A R. Parimala %A R. Sujatha %T Witt group of hyperelliptic curves. %J Commentarii mathematici Helvetici %D 1990 %P 559-580 %V 65 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMH_1990__65_3_140213/ %F CMH_1990__65_3_140213