@article{ZVMMF_1988_28_9_a0,
     author = {L. N. Bondarenko and P. Ph. Zhuk},
     title = {Combined iterative methods of variational type},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1283--1296},
     year = {1988},
     volume = {28},
     number = {9},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1988_28_9_a0/}
}