@article{10_4064_aa_60_4_359_370,
     author = {Bernard de Mathan},
     title = {Approximation exponents for algebraic functions in positive characteristic},
     journal = {Acta Arithmetica},
     pages = {359--370},
     publisher = {mathdoc},
     volume = {60},
     number = {4},
     year = {1991},
     doi = {10.4064/aa-60-4-359-370},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-60-4-359-370/}
}