%0 Journal Article %A O. V. Matysik %T Implicit method for solving a self-adjoint ill-posed problem with approximately operator and a posteriori choice of the regularization parameter %J Trudy Instituta matematiki %D 2015 %P 76-81 %V 23 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TIMB_2015_23_2_a9/ %G ru %F TIMB_2015_23_2_a9