@article{SEDP_1977-1978____A10_0,
     author = {Duflo, M. and Wigner, D.},
     title = {Sur la r\'esolubilit\'e des \'equations diff\'erentielles invariantes sur un groupe de {Lie}},
     journal = {S\'eminaire \'Equations aux d\'eriv\'ees partielles (Polytechnique) dit aussi "S\'eminaire Goulaouic-Schwartz"},
     note = {talk:9},
     pages = {1--7},
     publisher = {Ecole Polytechnique, Centre de Math\'ematiques},
     year = {1977-1978},
     mrnumber = {504138},
     zbl = {0383.35068},
     language = {fr},
     url = {http://www.numdam.org/item/SEDP_1977-1978____A10_0/}
}