@article{SEDP_2008-2009____A5_0,
     author = {Cheverry, Christophe},
     title = {Sur un probl\`eme de stabilit\'e pos\'e en optique g\'eom\'etrique non lin\'eaire surcritique},
     journal = {S\'eminaire \'Equations aux d\'eriv\'ees partielles (Polytechnique) dit aussi "S\'eminaire Goulaouic-Schwartz"},
     note = {talk:5},
     pages = {1--14},
     publisher = {Centre de math\'ematiques Laurent Schwartz, \'Ecole polytechnique},
     year = {2008-2009},
     language = {fr},
     url = {http://www.numdam.org/item/SEDP_2008-2009____A5_0/}
}