%0 Journal Article
%A A. V. Reztsov
%T Nonnegative trigonometric polynomials in many variables and cubature formulas of Gaussian type
%J Matematičeskie zametki
%D 1991
%P 69-74
%V 50
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1991_50_5_a9/
%G ru
%F MZM_1991_50_5_a9