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@article{FAA_1992_26_2_a18, author = {S. N. Naboko and S. I. Yakovlev}, title = {On the point spectrum of discrete {Schr\"odinger} operator}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {85--88}, publisher = {mathdoc}, volume = {26}, number = {2}, year = {1992}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1992_26_2_a18/} }
S. N. Naboko; S. I. Yakovlev. On the point spectrum of discrete Schr\"odinger operator. Funkcionalʹnyj analiz i ego priloženiâ, Tome 26 (1992) no. 2, pp. 85-88. http://geodesic.mathdoc.fr/item/FAA_1992_26_2_a18/