@article{GDZPPN002219042,
title = {The p-Rank of Artin-Schreier Curves.},
journal = {Manuscripta mathematica},
volume = {17},
year = {1975},
pages = {169-194},
zbl = {0321.14017},
url = {http://dml.mathdoc.fr/item/GDZPPN002219042}
}
Subrao, Doré. The p-Rank of Artin-Schreier Curves.. Manuscripta mathematica, Tome 17 (1975) pp. 169-194. http://gdmltest.u-ga.fr/item/GDZPPN002219042/