TY  - JOUR
AU  - V. K. Dzyadyk
TI  - On best approximation in classes of periodic functions defined by integrals of a linear combination of absolutely monotonic kernels
JO  - Matematičeskie zametki
PY  - 1974
SP  - 691
EP  - 701
VL  - 16
IS  - 5
UR  - http://geodesic.mathdoc.fr/item/MZM_1974_16_5_a1/
LA  - ru
ID  - MZM_1974_16_5_a1
ER  -