@article{SJL_1964-1965___4_89_0,
     author = {Douady, A.},
     title = {Le th\'eor\`eme d'existence},
     journal = {S\'eminaire sur les \'equations aux d\'eriv\'ees partielles},
     pages = {89--100},
     year = {1964-1965},
     publisher = {Coll\`ege de France},
     number = {4},
     language = {fr},
     url = {https://www.numdam.org/item/SJL_1964-1965___4_89_0/}
}