@incollection{JEDP_1974____A1_0, author = {Baouendi, Mohamed Salah and Goulaouic, Charles}, title = {Sur une classe de probl\`emes de {Cauchy} singuliers non lin\'eaires}, booktitle = {}, series = {Journ\'ees \'equations aux d\'eriv\'ees partielles}, eid = {1}, pages = {1--6}, publisher = {Ecole polytechnique}, year = {1974}, mrnumber = {51 #3670}, language = {fr}, url = {http://archive.numdam.org/item/JEDP_1974____A1_0/} }