%0 Journal Article
%A B. S. Kashin
%T On trigonometric polynomials with coefficients $+1$, $-1$,~$0$
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1987
%P 131-132
%V 180
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TM_1987_180_a73/
%G ru
%F TM_1987_180_a73