TY  - JOUR
AU  - V. G. Doronin
AU  - A. A. Ligun
TI  - On a refinement of Jackson-type inequalities in the approximation of differentiable periodic functions by linear operators
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 1995
SP  - 79
EP  - 82
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVM_1995_2_a9/
LA  - ru
ID  - IVM_1995_2_a9
ER  -