%0 Journal Article %A Robert C. Valentini %T Hyperelliptic Curves with zero Hasse-Witt-Matrix. %J Manuscripta mathematica %D 1995 %P 185-194 %V 86 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1995__86_3_156047/ %F MM2_1995__86_3_156047