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@article{TM_1970_110_a1, author = {V. S. Buslaev}, title = {Quantization and the {WKB} method}, journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova}, pages = {5--28}, publisher = {mathdoc}, volume = {110}, year = {1970}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TM_1970_110_a1/} }
V. S. Buslaev. Quantization and the WKB method. Trudy Matematicheskogo Instituta imeni V.A. Steklova, Boundary value problems of mathematical physics. Part 6, Tome 110 (1970), pp. 5-28. http://geodesic.mathdoc.fr/item/TM_1970_110_a1/