%0 Journal Article
%A G. G. Magaril-Il'yaev
%T Trigonometric widths of Sobolev classes of functions on~$\boldsymbol R^n$
%J Informatics and Automation
%D 1988
%P 147-155
%V 181
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TRSPY_1988_181_a8/
%G ru
%F TRSPY_1988_181_a8