@article{SEDP_1971-1972____A12_0,
     author = {Bony, J. M. and Schapira, P.},
     title = {Solutions analytiques et hyperfonctions du probl\`eme de {Cauchy} pour les op\'erateurs hyperboliques non stricts},
     journal = {S\'eminaire \'Equations aux d\'eriv\'ees partielles (Polytechnique) dit aussi "S\'eminaire Goulaouic-Schwartz"},
     note = {talk:12},
     pages = {1--7},
     publisher = {Ecole Polytechnique, Centre de Math\'ematiques},
     year = {1971-1972},
     mrnumber = {412619},
     zbl = {0246.35078},
     language = {fr},
     url = {http://www.numdam.org/item/SEDP_1971-1972____A12_0/}
}