@article{MZM_1992_51_4_a12,
     author = {P. G. Ovchinnikov},
     title = {How does one determine the rate of convergence of a sequence of iterations?},
     journal = {Matemati\v{c}eskie zametki},
     pages = {96--100},
     publisher = {mathdoc},
     volume = {51},
     number = {4},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1992_51_4_a12/}
}