%0 Journal Article
%A A. D. Valiev
%A A. S. Demidov
%T Nonnegative trigonometric polynomials with fixed mean passing through given points
%J Matematičeskie zametki
%D 1997
%P 468-471
%V 62
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1997_62_3_a14/
%G ru
%F MZM_1997_62_3_a14