@incollection{JEDP_1986____A15_0,
     author = {Tadato Matsuzawa},
     title = {Hypoellipticit\'e et hyperfonctions},
     booktitle = {},
     series = {Journ\'ees \'equations aux d\'eriv\'ees partielles},
     eid = {15},
     pages = {1--5},
     publisher = {\'Ecole polytechnique},
     year = {1986},
     zbl = {0602.35006},
     mrnumber = {874557},
     language = {fr},
     url = {https://proceedings.centre-mersenne.org/item/JEDP_1986____A15_0/}
}