@incollection{JEDP_1986____A1_0, author = {M\'etivier, Guy}, title = {Probl\`emes de {Cauchy} et ondes non lin\'eaires}, booktitle = {}, series = {Journ\'ees \'equations aux d\'eriv\'ees partielles}, eid = {1}, pages = {1--29}, publisher = {Ecole polytechnique}, year = {1986}, mrnumber = {874543}, zbl = {0606.35051}, language = {fr}, url = {http://archive.numdam.org/item/JEDP_1986____A1_0/} }