%0 Journal Article
%A I. I. Sharapudinov
%T Approximation properties of Fej\'er- and de~la~Valle\'e-Poussin-type means for partial sums of a~special series in the system $\{\sin x\sin kx\}_{k=1}^\infty$
%J Sbornik. Mathematics
%D 2015
%P 600-617
%V 206
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_2015_206_4_a5/
%G en
%F SM_2015_206_4_a5