@article{DAN_1965_162_5_a14,
     author = {L. I. Ponomarev},
     title = {An application of the {WKB} -method for the asymptotic solution of equations},
     journal = {Doklady Akademii Nauk},
     pages = {1023--1026},
     publisher = {mathdoc},
     volume = {162},
     number = {5},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1965_162_5_a14/}
}