%0 Journal Article
%A V. P. Zastavnyi
%T On extremal trigonometric polynomials
%J Trudy Instituta matematiki i mehaniki
%D 2023
%P 70-91
%V 29
%N 4
%U http://geodesic.mathdoc.fr/item/TIMM_2023_29_4_a6/
%G ru
%F TIMM_2023_29_4_a6