%0 Journal Article %A R. J. Čiegis %T On the rate convergence of combined iterative methods of variational type %J Matematičeskoe modelirovanie %D 1997 %P 115-125 %V 9 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM_1997_9_4_a8/ %G ru %F MM_1997_9_4_a8