%0 Journal Article %A I. I. Sharapudinov %T Approximation Properties of the Vall\'ee-Poussin Means of Partial Sums of a Mixed Series of Legendre Polynomials %J Matematičeskie zametki %D 2008 %P 452-471 %V 84 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2008_84_3_a11/ %G ru %F MZM_2008_84_3_a11