@article{MM2_1975__16_154340,
     author = {Dor\'e Subrao},
     title = {The {p-Rank} of {Artin-Schreier} {Curves.}},
     journal = {Manuscripta mathematica},
     pages = {169--194},
     publisher = {mathdoc},
     volume = {16},
     year = {1975},
     zbl = {0321.14017},
     url = {http://geodesic.mathdoc.fr/item/MM2_1975__16_154340/}
}