@article{AIHPA_1983__39_3_211_0, author = {Voros, A.}, title = {The return of the quartic oscillator. {The} complex {WKB} method}, journal = {Annales de l'I.H.P. Physique th\'eorique}, pages = {211--338}, publisher = {Gauthier-Villars}, volume = {39}, number = {3}, year = {1983}, zbl = {0526.34046}, mrnumber = {729194}, language = {en}, url = {http://archive.numdam.org/item/AIHPA_1983__39_3_211_0/} }