@incollection{JEDP_1975____215_0, author = {M\'etivier, Guy}, title = {Comportement asymptotique des valeurs propres d'op\'erateurs elliptiques d\'eg\'en\'er\'es}, booktitle = {}, series = {Journ\'ees \'equations aux d\'eriv\'ees partielles}, pages = {215--249}, publisher = {Ecole polytechnique}, year = {1975}, mrnumber = {58 #12000}, language = {fr}, url = {http://archive.numdam.org/item/JEDP_1975____215_0/} }