%0 Journal Article
%A I. I. Sharapudinov
%T Approximation properties of mixed series in terms of Legendre polynomials on the classes $W^r$
%J Sbornik. Mathematics
%D 2006
%P 433-452
%V 197
%N 3
%U http://geodesic.mathdoc.fr/item/SM_2006_197_3_a6/
%G en
%F SM_2006_197_3_a6