TY  - JOUR
AU  - I. P. Irodova
TI  - Piecewise polynomial approximation methods in the theory of Nikol'ski\u\i--Besov spaces
JO  - Contemporary Mathematics. Fundamental Directions
PY  - 2013
SP  - 3
EP  - 159
VL  - 50
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMFD_2013_50_a0/
LA  - ru
ID  - CMFD_2013_50_a0
ER  -