@article{JEDP_1976____A10_0, author = {M\'etivier, Guy}, title = {Fonction spectrale et valeurs propres d'une classe d'op\'erateurs non elliptiques}, journal = {Journ\'ees \'equations aux d\'eriv\'ees partielles}, year = {1976}, pages = {1-54}, language = {fr}, url = {http://dml.mathdoc.fr/item/JEDP_1976____A10_0} }
Métivier, Guy. Fonction spectrale et valeurs propres d'une classe d'opérateurs non elliptiques. Journées équations aux dérivées partielles, (1976), pp. 1-54. http://gdmltest.u-ga.fr/item/JEDP_1976____A10_0/
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