@article{SEDP_1982-1983____A4_0,
     author = {Grigis, A.},
     title = {Hypoellipticit\'e analytique d'op\'erateurs transversalement elliptiques},
     journal = {S\'eminaire Goulaouic-Schwartz},
     note = {talk:4},
     pages = {1--14},
     year = {1982-1983},
     publisher = {Ecole Polytechnique, Centre de Math\'ematiques},
     zbl = {0528.35021},
     language = {fr},
     url = {https://www.numdam.org/item/SEDP_1982-1983____A4_0/}
}