%0 Journal Article %A A. S. Leonov %T Choice of regularization parameter for non-linear ill-posed problems with approximately specified operator %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1979 %P 1363-1376 %V 19 %N 6 %U http://geodesic.mathdoc.fr/item/ZVMMF_1979_19_6_a0/ %G ru %F ZVMMF_1979_19_6_a0