@article{SEDP_1980-1981____A8_0,
     author = {Peral Alonso, I.},
     title = {Remarques sur le probl\`eme de {Cauchy} pour l'\'equation des ondes},
     journal = {S\'eminaire \'Equations aux d\'eriv\'ees partielles (Polytechnique) dit aussi "S\'eminaire Goulaouic-Schwartz"},
     note = {talk:7},
     pages = {1--8},
     publisher = {Ecole Polytechnique, Centre de Math\'ematiques},
     year = {1980-1981},
     zbl = {0497.35054},
     language = {fr},
     url = {http://www.numdam.org/item/SEDP_1980-1981____A8_0/}
}