@article{MZM_2009_85_3_a12,
     author = {M. M. Faddeev},
     title = {On {Spectral} {Properties} of the {Discrete} {Schr\"odinger} {Operator} with {Pure} {Imaginary} {Finite} {Potential}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {451--455},
     publisher = {mathdoc},
     volume = {85},
     number = {3},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2009_85_3_a12/}
}