@article{PMIHES_1982__55__63_0,
     author = {Martinet, Jean and Ramis, Jean-Pierre},
     title = {Probl\`emes de modules pour des \'equations diff\'erentielles non lin\'eaires du premier ordre},
     journal = {Publications Math\'ematiques de l'IH\'ES},
     pages = {63--164},
     publisher = {Institut des Hautes \'Etudes Scientifiques},
     volume = {55},
     year = {1982},
     mrnumber = {672182},
     zbl = {0546.58038},
     language = {fr},
     url = {http://archive.numdam.org/item/PMIHES_1982__55__63_0/}
}