@article{SEDP_1982-1983____A3_0,
     author = {Alinhac, S.},
     title = {Unicit\'e du probl\`eme de {Cauchy} pour des op\'erateurs du second ordre \`a symbole r\'eel},
     journal = {S\'eminaire \'Equations aux d\'eriv\'ees partielles (Polytechnique) dit aussi "S\'eminaire Goulaouic-Schwartz"},
     note = {talk:3},
     pages = {1--8},
     publisher = {Ecole Polytechnique, Centre de Math\'ematiques},
     year = {1982-1983},
     zbl = {0544.35022},
     language = {fr},
     url = {http://www.numdam.org/item/SEDP_1982-1983____A3_0/}
}