%0 Journal Article %A G. G. Magaril-Il'yaev %T Trigonometric widths of Sobolev classes of functions on~$\boldsymbol R^n$ %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1988 %P 147-155 %V 181 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_1988_181_a8/ %G ru %F TM_1988_181_a8