@article{JEDP_1989____A9_0,
     author = {Gu\`es, Olivier},
     title = {Ondes oscillantes simples quasilin\'eaires},
     journal = {Journ\'ees \'equations aux d\'eriv\'ees partielles},
     eid = {9},
     pages = {1--8},
     publisher = {Ecole polytechnique},
     year = {1989},
     zbl = {0697.35085},
     mrnumber = {1030824},
     language = {fr},
     url = {http://www.numdam.org/item/JEDP_1989____A9_0/}
}