no. 3
On the deformation of Artin-Schreier to Kummer
Annales scientifiques de l'École Normale Supérieure, Série 4, Tome 22 (1989) no. 3, pp. 345-375. 
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     author = {Sekiguchi, T. and Oort, F. and Suwa, N.},
     title = {On the deformation of {Artin-Schreier} to {Kummer}},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
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Sekiguchi, T.; Oort, F.; Suwa, N. On the deformation of Artin-Schreier to Kummer. Annales scientifiques de l'École Normale Supérieure, Série 4, Tome 22 (1989) no. 3, pp. 345-375. doi : 10.24033/asens.1586. http://archive.numdam.org/articles/10.24033/asens.1586/

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