TY  - JOUR
AU  - V. V. Kovtunets
TI  - Differential properties of an operator of best approximation with interpolation
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 1986
SP  - 36
EP  - 42
IS  - 12
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVM_1986_12_a7/
LA  - ru
ID  - IVM_1986_12_a7
ER  -