%0 Journal Article %A V. N. Strakhov %T Methods for the approximate solution of linear conditionally well posed problems %J Doklady Akademii Nauk %D 1971 %P 786-788 %V 196 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1971_196_4_a14/ %G ru %F DAN_1971_196_4_a14