%0 Journal Article %A D. L. Berman %T On the theory of interpolation %J Doklady Akademii Nauk %D 1965 %P 551-554 %V 163 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1965_163_3_a2/ %G ru %F DAN_1965_163_3_a2