@article{KUIPM_1990_a0,
     author = {I. B. Badriev and M. M. Karchevskii},
     title = {Convergence of an iterative process in a {Banach} space},
     journal = {Issledovaniya po Prikladnoi Matematike i Informatike},
     pages = {3--15},
     publisher = {mathdoc},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUIPM_1990_a0/}
}