@incollection{SB_1982-1983__25__95_0,
     author = {Voros, Andr\'e},
     title = {Probl\`eme spectral de {Sturm-Liouville} : le cas de l'oscillateur quartique},
     booktitle = {S\'eminaire Bourbaki : volume 1982/83, expos\'es 597-614},
     series = {Ast\'erisque},
     note = {talk:602},
     pages = {95--104},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {105-106},
     year = {1983},
     mrnumber = {728983},
     zbl = {0534.70014},
     language = {fr},
     url = {http://archive.numdam.org/item/SB_1982-1983__25__95_0/}
}