@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/}
}