Propriétés asymptotiques des solutions d'équations simplement caractéristiques
Séminaire Équations aux dérivées partielles (Polytechnique) (1975-1976), Talk no. 7, 15 p. 
@article{SEDP_1975-1976____A8_0,
     author = {Lachaud, Gilles},
     title = {Propri\'et\'es asymptotiques des solutions d'\'equations simplement caract\'eristiques},
     journal = {S\'eminaire \'Equations aux d\'eriv\'ees partielles (Polytechnique)},
     publisher = {Ecole Polytechnique, Centre de Math\'ematiques},
     year = {1975-1976},
     note = {talk:7},
     zbl = {0335.35015},
     language = {fr},
     url = {http://www.numdam.org/item/SEDP_1975-1976____A8_0}
}

Lachaud, G. Propriétés asymptotiques des solutions d'équations simplement caractéristiques. Séminaire Équations aux dérivées partielles (Polytechnique) (1975-1976), Talk no. 7, 15 p. http://www.numdam.org/item/SEDP_1975-1976____A8_0/

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