@article{SEDP_2003-2004____A15_0,
     author = {Lannes, David},
     title = {Sur le caract\`ere bien pos\'e des \'equations {d{\textquoteright}Euler} avec surface libre},
     journal = {S\'eminaire \'Equations aux d\'eriv\'ees partielles (Polytechnique) dit aussi "S\'eminaire Goulaouic-Schwartz"},
     note = {talk:15},
     pages = {1--12},
     publisher = {Centre de math\'ematiques Laurent Schwartz, \'Ecole polytechnique},
     year = {2003-2004},
     language = {fr},
     url = {http://www.numdam.org/item/SEDP_2003-2004____A15_0/}
}