%0 Journal Article
%A K. I. Oskolkov
%T On the optimality of the quadrature formula with equidistant nodes on classes of periodic functions
%J Doklady Akademii Nauk
%D 1979
%P 49-52
%V 249
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1979_249_1_a10/
%G ru
%F DAN_1979_249_1_a10