@article{INTF_1988_34_a3,
     author = {V. F. Lazutkin},
     title = {Quasiclassical asymptotic behavior of eigenfunctions},
     journal = {Itogi Nauki i Tekhniki. Seriya Sovremennye Problemy Matematiki. Fundamental'nye Napravleniya},
     pages = {135--174},
     year = {1988},
     volume = {34},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTF_1988_34_a3/}
}