@article{ZVMMF_1985_25_7_a0,
     author = {A. G. Zarubin},
     title = {The rate of convergence of projection methods in the eigenvalue problem for equations of a special type},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {963--972},
     publisher = {mathdoc},
     volume = {25},
     number = {7},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1985_25_7_a0/}
}