@article{SEDP_1970-1971____A9_0,
     author = {Baouendi, M. S. and Goulaouic, C.},
     title = {Probl\`emes d'analyticit\'e pour des op\'erateurs diff\'erentiels d\'eg\'en\'er\'es ; applications (fin)},
     journal = {S\'eminaire \'Equations aux d\'eriv\'ees partielles (Polytechnique) dit aussi "S\'eminaire Goulaouic-Schwartz"},
     note = {talk:9},
     pages = {1--8},
     publisher = {Ecole Polytechnique, Centre de Math\'ematiques},
     year = {1970-1971},
     zbl = {0237.35034},
     language = {fr},
     url = {http://archive.numdam.org/item/SEDP_1970-1971____A9_0/}
}