@article{SDPP_1968-1969__10_1_A11_0,
     author = {A'campo, Norbert},
     title = {Th\'eor\`eme de pr\'eparation diff\'erentiable ultram\'etrique, {II}},
     journal = {S\'eminaire Delange-Pisot-Poitou. Th\'eorie des nombres},
     note = {talk:11},
     pages = {1--4},
     publisher = {Secr\'etariat math\'ematique},
     volume = {10},
     number = {1},
     year = {1968-1969},
     mrnumber = {257071},
     zbl = {0214.37904},
     language = {fr},
     url = {http://www.numdam.org/item/SDPP_1968-1969__10_1_A11_0/}
}