TY  - JOUR
AU  - G. I. Natanson
TI  - Certain cases when Fourier sums give best order approximation
JO  - Doklady Akademii Nauk
PY  - 1968
SP  - 1254
EP  - 1257
VL  - 183
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1968_183_6_a4/
LA  - ru
ID  - DAN_1968_183_6_a4
ER  -