TY - JOUR AU - Kh. P. Rustamov TI - Higher-order moduli of smoothness associated with the Fourier--Jacobi expansion, and the approximation of functions by algebraic polynomials JO - Doklady Akademii Nauk PY - 1995 SP - 593 EP - 596 VL - 344 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1995_344_5_a3/ LA - ru ID - DAN_1995_344_5_a3 ER -