%0 Journal Article %A O. A. Liskovets %T On the solution of ill-posed problems with a closable operator %J Doklady Akademii Nauk %D 1974 %P 1069-1071 %V 219 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1974_219_5_a10/ %G ru %F DAN_1974_219_5_a10