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@article{DAN_1983_271_5_a19, author = {N. E. Maltsev}, title = {A modification of the {WKB} method}, journal = {Doklady Akademii Nauk}, pages = {1108--1111}, publisher = {mathdoc}, volume = {271}, number = {5}, year = {1983}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1983_271_5_a19/} }
N. E. Maltsev. A modification of the WKB method. Doklady Akademii Nauk, Tome 271 (1983) no. 5, pp. 1108-1111. http://geodesic.mathdoc.fr/item/DAN_1983_271_5_a19/