%0 Journal Article %A S. Z. Rafal'son %T On partial sums of Fourier series in orthogonal polynomials %J Doklady Akademii Nauk %D 1977 %P 1297-1300 %V 237 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1977_237_6_a8/ %G ru %F DAN_1977_237_6_a8