TY  - JOUR
AU  - N. P. Khoroshko
TI  - On the best approximation in the metric of $L$ to certain classes of functions by Haar-system polynomials
JO  - Matematičeskie zametki
PY  - 1969
SP  - 47
EP  - 54
VL  - 6
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1969_6_1_a5/
LA  - ru
ID  - MZM_1969_6_1_a5
ER  -