@article{SHC_1962-1963__15__A4_0,
     author = {Malgrange, Bernard},
     title = {Le th\'eor\`eme de pr\'eparation en g\'eom\'etrie diff\'erentiable. {I.} {Position} du probl\`eme},
     journal = {S\'eminaire Henri Cartan},
     note = {talk:11},
     pages = {1--14},
     publisher = {Secr\'etariat math\'ematique},
     volume = {15},
     year = {1962-1963},
     mrnumber = {160234},
     zbl = {0119.28501},
     language = {fr},
     url = {http://www.numdam.org/item/SHC_1962-1963__15__A4_0/}
}