@article{ZVMMF_1969_9_6_a2,
     author = {V. N. Lebedev},
     title = {Iterative methods for solving operator equations with a spectrum contained in several intervals},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1247--1252},
     publisher = {mathdoc},
     volume = {9},
     number = {6},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1969_9_6_a2/}
}