@article{ASENS_1991_4_24_2_189_0,
     author = {Leichtnam, \'Eric},
     title = {Le probl\`eme de {Cauchy} ramifi\'e semi-lin\'eaire d'ordre deux},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {189--214},
     publisher = {Elsevier},
     volume = {4e s{\'e}rie, 24},
     number = {2},
     year = {1991},
     doi = {10.24033/asens.1625},
     mrnumber = {92c:35004},
     zbl = {0804.35006},
     language = {fr},
     url = {http://www.numdam.org/articles/10.24033/asens.1625/}
}