TY  - JOUR
AU  - G. G. Magaril-Il'yaev
TI  - Trigonometric widths of Sobolev classes of functions on~$\boldsymbol R^n$
JO  - Informatics and Automation
PY  - 1988
SP  - 147
EP  - 155
VL  - 181
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TRSPY_1988_181_a8/
LA  - ru
ID  - TRSPY_1988_181_a8
ER  -