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@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/} }
L. I. Ponomarev. An application of the WKB -method for the asymptotic solution of equations. Doklady Akademii Nauk, Tome 162 (1965) no. 5, pp. 1023-1026. http://geodesic.mathdoc.fr/item/DAN_1965_162_5_a14/