@incollection{JEDP_1984____A2_0,
     author = {Michel Langlais},
     title = {Sur une classe de probl\`emes d'\'evolution non lin\'eaires et d\'eg\'en\'er\'es},
     booktitle = {},
     series = {Journ\'ees \'equations aux d\'eriv\'ees partielles},
     eid = {2},
     pages = {1--12},
     publisher = {\'Ecole polytechnique},
     year = {1984},
     zbl = {0602.35055},
     language = {fr},
     url = {https://proceedings.centre-mersenne.org/item/JEDP_1984____A2_0/}
}