Etale p-covers in characteristic p
Compositio Mathematica, Volume 52 (1984) no. 1, p. 31-45
@article{CM_1984__52_1_31_0,
     author = {Crew, Richard},
     title = {Etale $p$-covers in characteristic $p$},
     journal = {Compositio Mathematica},
     publisher = {Martinus Nijhoff Publishers},
     volume = {52},
     number = {1},
     year = {1984},
     pages = {31-45},
     zbl = {0558.14009},
     mrnumber = {742696},
     language = {en},
     url = {http://www.numdam.org/item/CM_1984__52_1_31_0}
}
Crew, Richard M. Etale $p$-covers in characteristic $p$. Compositio Mathematica, Volume 52 (1984) no. 1, pp. 31-45. http://www.numdam.org/item/CM_1984__52_1_31_0/

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