@article{IVM_2008_6_a1,
     author = {I. I. Kinzina},
     title = {Computation of the eigenvalues of a discrete selfadjoint operator perturbed by a bounded operator},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {16--24},
     publisher = {mathdoc},
     number = {6},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2008_6_a1/}
}