@article{SD_1972-1973__26__A14_0,
     author = {Lazard, Michel},
     title = {Polygone de {Newton} et th\'eor\`eme de pr\'eparation},
     journal = {S\'eminaire Dubreil. Alg\`ebre et th\'eorie des nombres},
     note = {talk:15},
     pages = {1--4},
     publisher = {Secr\'etariat math\'ematique},
     volume = {26},
     year = {1972-1973},
     mrnumber = {480546},
     zbl = {0321.16001},
     language = {fr},
     url = {http://www.numdam.org/item/SD_1972-1973__26__A14_0/}
}