@article{IM2_2012_76_5_a4,
     author = {S. N. Lakaev and Sh. Yu. Kholmatov},
     title = {Asymptotics of the eigenvalues of a~discrete {Schr\"odinger} operator with zero-range potential},
     journal = {Izvestiya. Mathematics },
     pages = {946--966},
     publisher = {mathdoc},
     volume = {76},
     number = {5},
     year = {2012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2012_76_5_a4/}
}