@incollection{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}, booktitle = {}, series = {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/} }