TY  - JOUR
AU  - G. G. Akniev
TI  - Approximation properties of dicrete Fourier sums for some piecewise linear functions
JO  - Izvestiya of Saratov University. Mathematics. Mechanics. Informatics
PY  - 2018
SP  - 4
EP  - 16
VL  - 18
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ISU_2018_18_1_a0/
LA  - ru
ID  - ISU_2018_18_1_a0
ER  -