@article{JEDP_1982____A9_0, author = {Wagschal, Claude}, title = {Probl\`eme de {Cauchy} ramifi\'e \`a caract\'eristiques multiples de multiplicit\'e variable}, journal = {Journ\'ees \'equations aux d\'eriv\'ees partielles}, eid = {9}, publisher = {Ecole polytechnique}, year = {1982}, mrnumber = {84g:35005}, language = {fr}, url = {http://archive.numdam.org/item/JEDP_1982____A9_0/} }