%0 Journal Article
%A G. G. Akniyev
%T Discrete least squares approximation of piecewise-linear functions by trigonometric polynomials
%J Problemy analiza
%D 2017
%P 3-24
%V 6
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/PA_2017_6_2_a0/
%G en
%F PA_2017_6_2_a0