@article{AIF_1988__38_4_173_0,
     author = {Piriou, Alain},
     title = {Calcul symbolique non lin\'eaire pour une onde conormale simple},
     journal = {Annales de l'Institut Fourier},
     pages = {173--187},
     publisher = {Institut Fourier},
     address = {Grenoble},
     volume = {38},
     number = {4},
     year = {1988},
     doi = {10.5802/aif.1153},
     mrnumber = {90c:35209},
     zbl = {0646.35012},
     language = {fr},
     url = {http://www.numdam.org/articles/10.5802/aif.1153/}
}