%0 Journal Article %A I. Ts. Gokhberg %A I. A. Fel'dman %T Approximate solutions of some classes of linear equations %J Doklady Akademii Nauk %D 1965 %P 750-753 %V 160 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1965_160_4_a2/ %G ru %F DAN_1965_160_4_a2