@article{ZVMMF_2009_49_7_a0,
     author = {F. K. Akhmadishina},
     title = {Sufficient conditions for the asymptotic optimality of projection methods as applied to operator equations},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1139--1147},
     publisher = {mathdoc},
     volume = {49},
     number = {7},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2009_49_7_a0/}
}