@article{TM_1968_95_a5,
     author = {V. F. Lazutkin},
     title = {Construction of an asymptotic series for eigenfunctions of the {\textquotedblleft}bouncing ball{\textquotedblright} type},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {106--118},
     year = {1968},
     volume = {95},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_1968_95_a5/}
}