@article{IIMI_2013_42_2_a0,
     author = {T. S. Tinyukova},
     title = {Research of the difference {Schr\"odinger} operator for some physical models},
     journal = {Izvestiya Instituta Matematiki i Informatiki Udmurtskogo Gosudarstvennogo Universiteta},
     pages = {3--57},
     publisher = {mathdoc},
     volume = {42},
     number = {2},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IIMI_2013_42_2_a0/}
}