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@article{AA_1994_6_3_a3, author = {V. S. Buslaev and A. A. Fedotov}, title = {The {complex~WKB} method for the {Harper} equation}, journal = {Algebra i analiz}, pages = {59--83}, publisher = {mathdoc}, volume = {6}, number = {3}, year = {1994}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AA_1994_6_3_a3/} }
V. S. Buslaev; A. A. Fedotov. The complex~WKB method for the Harper equation. Algebra i analiz, Tome 6 (1994) no. 3, pp. 59-83. http://geodesic.mathdoc.fr/item/AA_1994_6_3_a3/