%0 Journal Article %A A. I. Grebennikov %T On optimal methods of solving nonlinear ill-posed problems %J Doklady Akademii Nauk %D 1979 %P 530-534 %V 246 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1979_246_3_a3/ %G ru %F DAN_1979_246_3_a3