TY  - JOUR
AU  - S. M. Nikol'skii
TI  - Approximation of functions by trigonometric polynomials on a manifold.~I
JO  - Doklady Akademii Nauk
PY  - 1991
SP  - 1313
EP  - 1317
VL  - 319
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1991_319_6_a6/
LA  - ru
ID  - DAN_1991_319_6_a6
ER  -