%0 Journal Article %A Kh. P. Rustamov %T Higher-order moduli of smoothness associated with the Fourier--Jacobi expansion, and the approximation of functions by algebraic polynomials %J Doklady Akademii Nauk %D 1995 %P 593-596 %V 344 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1995_344_5_a3/ %G ru %F DAN_1995_344_5_a3