@article{SEDP_2000-2001____A5_0,
     author = {Alinhac, Serge},
     title = {La condition nulle pour les \'equations hyperboliques en dimension deux d{\textquoteright}espace},
     journal = {S\'eminaire \'Equations aux d\'eriv\'ees partielles (Polytechnique) dit aussi "S\'eminaire Goulaouic-Schwartz"},
     note = {talk:5},
     pages = {1--10},
     publisher = {Centre de math\'ematiques Laurent Schwartz, \'Ecole polytechnique},
     year = {2000-2001},
     zbl = {1078.35522},
     language = {fr},
     url = {http://archive.numdam.org/item/SEDP_2000-2001____A5_0/}
}