%0 Journal Article
%A V. P. Motornyi
%T On the best quadrature formula of the form $\sum_{k=1}^np_kf(x_k)$ for some classes of differentiable periodic functions
%J Izvestiya. Mathematics 
%D 1974
%P 591-620
%V 8
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM2_1974_8_3_a8/
%G en
%F IM2_1974_8_3_a8