@article{SEDP_1987-1988____A17_0,
     author = {M\'etivier, G.},
     title = {Ondes soniques},
     journal = {S\'eminaire \'Equations aux d\'eriv\'ees partielles (Polytechnique) dit aussi "S\'eminaire Goulaouic-Schwartz"},
     note = {talk:17},
     pages = {1--15},
     publisher = {Ecole Polytechnique, Centre de Math\'ematiques},
     year = {1987-1988},
     mrnumber = {1018189},
     zbl = {0673.35065},
     language = {fr},
     url = {http://www.numdam.org/item/SEDP_1987-1988____A17_0/}
}