@article{ZVMMF_1977_17_4_a5,
     author = {A. I. Perov and V. V. Yurgelas},
     title = {The convergence of a certain iteration process},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {859--870},
     publisher = {mathdoc},
     volume = {17},
     number = {4},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1977_17_4_a5/}
}