@article{AIHPA_1995__62_4_361_0,
     author = {Pankratova, T. F.},
     title = {Semi-classical eigenstates at the bottom of a multidimensional well},
     journal = {Annales de l'I.H.P. Physique th\'eorique},
     pages = {361--382},
     publisher = {Gauthier-Villars},
     volume = {62},
     number = {4},
     year = {1995},
     mrnumber = {1343782},
     zbl = {0835.35120},
     language = {en},
     url = {http://www.numdam.org/item/AIHPA_1995__62_4_361_0/}
}