@article{ZVMMF_1982_22_2_a1,
     author = {P. F. Zhuk},
     title = {Asymptotic properties of the $s$-step optimal gradient method},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {269--279},
     publisher = {mathdoc},
     volume = {22},
     number = {2},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1982_22_2_a1/}
}