%0 Journal Article %A I. I. Sharapudinov %T Approximation of functions of variable smoothness by Fourier--Legendre sums %J Sbornik. Mathematics %D 2000 %P 759-777 %V 191 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2000_191_5_a6/ %G en %F SM_2000_191_5_a6