@incollection{JEDP_1974____A1_0,
     author = {Baouendi, Mohamed Salah and Goulaouic, Charles},
     title = {Sur une classe de probl\`emes de {Cauchy} singuliers non lin\'eaires},
     booktitle = {},
     series = {Journ\'ees \'equations aux d\'eriv\'ees partielles},
     eid = {1},
     pages = {1--6},
     year = {1974},
     publisher = {Ecole polytechnique},
     doi = {10.5802/jedp.116},
     mrnumber = {51 #3670},
     language = {fr},
     url = {https://www.numdam.org/articles/10.5802/jedp.116/}
}