@article{AIF_1985__35_4_151_0,
     author = {Leichtnam, Eric},
     title = {Interactions de singularit\'es pour une classe d'\'equations \`a caract\'eristiques doubles},
     journal = {Annales de l'Institut Fourier},
     pages = {151--161},
     publisher = {Institut Fourier},
     address = {Grenoble},
     volume = {35},
     number = {4},
     year = {1985},
     doi = {10.5802/aif.1031},
     mrnumber = {87c:58122},
     zbl = {0553.35090},
     language = {fr},
     url = {http://archive.numdam.org/articles/10.5802/aif.1031/}
}