TY  - JOUR
AU  - O. L. Vinogradov
AU  - V. V. Zhuk
TI  - Sharp Kolmogorov-type inequalities for moduli of continuity and best approximations by trigonometric polynomials and splines
JO  - Zapiski Nauchnykh Seminarov POMI
PY  - 2002
SP  - 5
EP  - 26
VL  - 290
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZNSL_2002_290_a0/
LA  - ru
ID  - ZNSL_2002_290_a0
ER  -