@article{GDZPPN002236419,
title = {Hyperelliptic Curves with zero Hasse-Witt-Matrix.},
journal = {Manuscripta mathematica},
volume = {86},
year = {1995},
pages = {185-194},
zbl = {0833.14021},
url = {http://dml.mathdoc.fr/item/GDZPPN002236419}
}
Valentini, Robert C. Hyperelliptic Curves with zero Hasse-Witt-Matrix.. Manuscripta mathematica, Tome 86 (1995) pp. 185-194. http://gdmltest.u-ga.fr/item/GDZPPN002236419/