%0 Journal Article %A V. I. Maksimov %T The principle of extremal shift in a~problem of solving operator equations %J Trudy Instituta matematiki i mehaniki %D 2000 %P 141-149 %V 6 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TIMM_2000_6_1_a8/ %G ru %F TIMM_2000_6_1_a8