@article{JEDP_1983____A8_0,
     author = {Bachelot, Alain},
     title = {Probl\`eme de {Cauchy} pour des syst\`emes hyperboliques semi-lin\'eaires},
     journal = {Journ\'ees \'equations aux d\'eriv\'ees partielles},
     eid = {8},
     pages = {1--5},
     publisher = {Ecole polytechnique},
     year = {1983},
     zbl = {0536.35051},
     language = {fr},
     url = {http://www.numdam.org/item/JEDP_1983____A8_0/}
}