@article{SEDP_1974-1975____A3_0,
     author = {Baouendi, M. S. and Goulaouic, C.},
     title = {Probl\`emes de {Cauchy} singuliers non lin\'eaires},
     journal = {S\'eminaire Goulaouic-Schwartz},
     note = {talk:3 et 4},
     pages = {1--17},
     year = {1974-1975},
     publisher = {Ecole Polytechnique, Centre de Math\'ematiques},
     mrnumber = {399639},
     zbl = {0308.35019},
     language = {fr},
     url = {https://www.numdam.org/item/SEDP_1974-1975____A3_0/}
}