@article{ZVMMF_1995_35_10_a0,
     author = {L. A. Knizhnerman},
     title = {The quality of approximations to a well-isolated eigenvalue, and the arrangement of {{\textquotedblleft}Ritz} numbers{\textquotedblright} in a simple {Lanczos} process},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1459--1475},
     publisher = {mathdoc},
     volume = {35},
     number = {10},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1995_35_10_a0/}
}