@article{SEDP_1978-1979____A21_0,
     author = {Miyatake, S.},
     title = {Le probl\`eme mixte des \'equations des ondes et applications},
     journal = {S\'eminaire \'Equations aux d\'eriv\'ees partielles (Polytechnique) dit aussi "S\'eminaire Goulaouic-Schwartz"},
     note = {talk:21},
     pages = {1--14},
     publisher = {Ecole Polytechnique, Centre de Math\'ematiques},
     year = {1978-1979},
     mrnumber = {557532},
     zbl = {0411.35062},
     language = {fr},
     url = {http://www.numdam.org/item/SEDP_1978-1979____A21_0/}
}