%0 Journal Article %A A. B. Bredikhina %T About optimality of the M.~M.~Lavrentiev method when solving equations with operator error %J Vestnik Ûžno-Uralʹskogo gosudarstvennogo universiteta. Seriâ, Matematika, mehanika, fizika %D 2011 %P 18-22 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/VYURM_2011_5_a2/ %G ru %F VYURM_2011_5_a2