@article{SEDP_1989-1990____A19_0,
     author = {Trepreau, J.-M.},
     title = {Propagation dans les vari\'et\'es $CR$},
     journal = {S\'eminaire \'Equations aux d\'eriv\'ees partielles (Polytechnique) dit aussi "S\'eminaire Goulaouic-Schwartz"},
     note = {talk:17},
     pages = {1--9},
     publisher = {Ecole Polytechnique, Centre de Math\'ematiques},
     year = {1989-1990},
     mrnumber = {1073192},
     zbl = {0716.32007},
     language = {fr},
     url = {http://archive.numdam.org/item/SEDP_1989-1990____A19_0/}
}