@article{ZVMMF_2006_46_7_a10,
     author = {S. I. Kadchenko and I. I. Kinzina},
     title = {Computation of eigenvalues of perturbed discrete semibounded operators},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1265--1272},
     year = {2006},
     volume = {46},
     number = {7},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2006_46_7_a10/}
}