TY  - JOUR
AU  - S. M. Nikol'skii
TI  - Approximation, on a manifold, of functions of Besov class by
JO  - Doklady Akademii Nauk
PY  - 1991
SP  - 53
EP  - 57
VL  - 319
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1991_319_1_a9/
LA  - ru
ID  - DAN_1991_319_1_a9
ER  -