@article{MZM_1990_48_6_a4,
     author = {A. Ya. Gordon},
     title = {A~sufficient condition for the continuity of the spectrum of a~discrete {Schr\"odinger} operator},
     journal = {Matemati\v{c}eskie zametki},
     pages = {38--46},
     year = {1990},
     volume = {48},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1990_48_6_a4/}
}