%0 Journal Article
%A V. A. Klyachin
%T Estimates for piecewise linear approximation of derivative functions of Sobolev classes
%J The Bulletin of Irkutsk State University. Series Mathematics
%D 2024
%P 78-89
%V 49
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IIGUM_2024_49_a5/
%G ru
%F IIGUM_2024_49_a5