%0 Journal Article %A D. L. Berman %T The monotoneity principle in the theory of interpolation %J Doklady Akademii Nauk %D 1966 %P 503-506 %V 169 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1966_169_3_a2/ %G ru %F DAN_1966_169_3_a2