TY  - JOUR
AU  - N. P. Korneichuk
TI  - The exact constant in D. Jackson’s theorem on best uniform approximation of continuous periodic functions
JO  - Doklady Akademii Nauk
PY  - 1962
SP  - 514
EP  - 515
VL  - 145
IS  - 3
UR  - http://geodesic.mathdoc.fr/item/DAN_1962_145_3_a9/
LA  - ru
ID  - DAN_1962_145_3_a9
ER  -