@article{JEDP_1976____A2_0,
     author = {Authier, Marc},
     title = {Construction d'un inverse et propagation de la r\'egularit\'e des solutions pour un probl\`eme de {Dirichlet} hyperbolique},
     journal = {Journ\'ees \'equations aux d\'eriv\'ees partielles},
     eid = {2},
     pages = {1--23},
     publisher = {Ecole polytechnique},
     year = {1976},
     language = {fr},
     url = {http://www.numdam.org/item/JEDP_1976____A2_0/}
}