@incollection{JEDP_1985___1_A2_0,
     author = {Colin de Verdi\`ere, Yves},
     title = {Comportement asymptotique du spectre des bouteilles magn\'etiques},
     booktitle = {},
     series = {Journ\'ees \'equations aux d\'eriv\'ees partielles},
     eid = {2},
     pages = {1--6},
     publisher = {Ecole polytechnique},
     number = {1},
     year = {1985},
     language = {fr},
     url = {http://archive.numdam.org/item/JEDP_1985___1_A2_0/}
}