TY  - JOUR
AU  - N. Ya. Yatsenko
TI  - On the approximation of even and odd bounded $2\pi$-periodic functions by trigonometric polynomials of best uniform approximation at a~given system of points
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1987
SP  - 238
EP  - 239
VL  - 180
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TM_1987_180_a147/
LA  - ru
ID  - TM_1987_180_a147
ER  -