@article{ZVMMF_1973_13_4_a1,
     author = {Ya. I. Al'ber},
     title = {Local convergence theorems for gradient methods in {Hilbert} space},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {829--838},
     publisher = {mathdoc},
     volume = {13},
     number = {4},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1973_13_4_a1/}
}