@article{10_4064_aa_77_1_57_70,
     author = {A. Hefez and N. Kakuta},
     title = {Polars of {Artin-Schreier} curves},
     journal = {Acta Arithmetica},
     pages = {57--70},
     publisher = {mathdoc},
     volume = {77},
     number = {1},
     year = {1996},
     doi = {10.4064/aa-77-1-57-70},
     language = {de},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-77-1-57-70/}
}