@article{AFST_1957_4_21__185_0,
     author = {P. Boughon},
     title = {Propri\'et\'es diff\'erentielles des vari\'et\'es alg\'ebriques d\'efinies sur un corps de caract\'eristiques $P > 0$},
     journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques},
     pages = {185--253},
     publisher = {\'Edouard Privat, Libraire-\'Editeur},
     address = {Toulouse},
     volume = {4e s{\'e}rie, 21},
     year = {1957},
     zbl = {0202.51901},
     mrnumber = {116009},
     language = {fr},
     url = {https://afst.centre-mersenne.org/item/AFST_1957_4_21__185_0/}
}