@article{AIHPA_1983__38_3_295_0,
     author = {Simon, Barry},
     title = {Semiclassical analysis of low lying eigenvalues. {I.} {Non-degenerate} minima : asymptotic expansions},
     journal = {Annales de l'I.H.P. Physique th\'eorique},
     pages = {295--308},
     publisher = {Gauthier-Villars},
     volume = {38},
     number = {3},
     year = {1983},
     mrnumber = {708966},
     zbl = {0526.35027},
     language = {en},
     url = {http://www.numdam.org/item/AIHPA_1983__38_3_295_0/}
}