no. 1
Local invertibility of non-archimedean vector-valued functions
Annales Mathématiques Blaise Pascal, Tome 5 (1998) no. 1, pp. 13-23. 
@article{AMBP_1998__5_1_13_0,
     author = {De Smedt, Stany},
     title = {Local invertibility of non-archimedean vector-valued functions},
     journal = {Annales Math\'ematiques Blaise Pascal},
     pages = {13--23},
     publisher = {Laboratoires de Math\'ematiques Pures et Appliqu\'ees de l'Universit\'e Blaise Pascal},
     volume = {5},
     number = {1},
     year = {1998},
     zbl = {0922.46065},
     mrnumber = {1630173},
     language = {en},
     url = {www.numdam.org/item/AMBP_1998__5_1_13_0/}
}
De Smedt, Stany. Local invertibility of non-archimedean vector-valued functions. Annales Mathématiques Blaise Pascal, Tome 5 (1998) no. 1, pp. 13-23. http://www.numdam.org/item/AMBP_1998__5_1_13_0/

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