%0 Journal Article
%A S. B. Vakarchuk
%T Approximation by classical orthogonal polynomials with weight in spaces $L_{2,\gamma}(a,b)$ and widths of some functional classes
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 2019
%P 37-51
%N 12
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_2019_12_a3/
%G ru
%F IVM_2019_12_a3