@article{TMF_1988_77_3_a13, author = {Yu. P. Chuburin}, title = {Floquet asymptotics of solutions of the {Schr\"odinger} equation in the case of a~semi-infinite crystal}, journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika}, pages = {472--478}, publisher = {mathdoc}, volume = {77}, number = {3}, year = {1988}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TMF_1988_77_3_a13/} }