%0 Journal Article %A P. G. Ovchinnikov %T How does one determine the rate of convergence of a sequence of iterations? %J Matematičeskie zametki %D 1992 %P 96-100 %V 51 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1992_51_4_a12/ %G ru %F MZM_1992_51_4_a12