%0 Journal Article %A A. R. Danilin %A V. P. Tanana %T Necessary and sufficient conditions for convergence of approximations of linear ill-posed problems in a Hilbert space %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1984 %P 633-639 %V 24 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_1984_24_5_a1/ %G ru %F ZVMMF_1984_24_5_a1