@incollection{JEDP_1986____A7_0, author = {Grigis, Alain}, title = {Estimations asymptotiques des valeurs propres de l'\'equation de {Hill} polynomiale}, booktitle = {}, series = {Journ\'ees \'equations aux d\'eriv\'ees partielles}, eid = {7}, pages = {1--7}, publisher = {Ecole polytechnique}, year = {1986}, mrnumber = {874549}, zbl = {0602.34016}, language = {fr}, url = {http://archive.numdam.org/item/JEDP_1986____A7_0/} }