%0 Journal Article %A S. A. Agahanov %A G. I. Natanson %T Approximation of functions by Fourier--Jacobi sums %J Doklady Akademii Nauk %D 1966 %P 9-10 %V 166 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1966_166_1_a0/ %G ru %F DAN_1966_166_1_a0