@article{SEDP_1979-1980____A5_0,
     author = {Maire, H. M.},
     title = {R\'esolubilit\'e et hypoellipticit\'e de syst\`emes surd\'etermin\'es},
     journal = {S\'eminaire \'Equations aux d\'eriv\'ees partielles (Polytechnique) dit aussi "S\'eminaire Goulaouic-Schwartz"},
     note = {talk:5},
     pages = {1--11},
     publisher = {Ecole Polytechnique, Centre de Math\'ematiques},
     year = {1979-1980},
     mrnumber = {600689},
     zbl = {0441.35048},
     language = {fr},
     url = {http://www.numdam.org/item/SEDP_1979-1980____A5_0/}
}