TY  - JOUR
AU  - Sun Yong-sheng
AU  - Li Chun
TI  - Best approximation of certain classes of smooth functions on the real axis by splines of a~higher order
JO  - Matematičeskie zametki
PY  - 1990
SP  - 100
EP  - 109
VL  - 48
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1990_48_4_a10/
LA  - ru
ID  - MZM_1990_48_4_a10
ER  -