@article{JEDP_1986____A15_0, author = {Matsuzawa, Tadato}, title = {Hypoellipticit\'e et hyperfonctions}, journal = {Journ\'ees \'equations aux d\'eriv\'ees partielles}, eid = {15}, publisher = {Ecole polytechnique}, year = {1986}, zbl = {0602.35006}, mrnumber = {874557}, language = {fr}, url = {http://www.numdam.org/item/JEDP_1986____A15_0/} }