@article{ZVMMF_1979_19_4_a25,
     author = {A. G. Zarubin},
     title = {The speed of~convergence of~projection methods for linear equations},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1048--1053},
     publisher = {mathdoc},
     volume = {19},
     number = {4},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1979_19_4_a25/}
}