TY  - JOUR
AU  - V. N. Poroshenko
TI  - Uniqueness of an algebraic polynomial of best approximation in the~$L_1$ metric
JO  - Matematičeskie zametki
PY  - 1981
SP  - 817
EP  - 828
VL  - 29
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1981_29_6_a2/
LA  - ru
ID  - MZM_1981_29_6_a2
ER  -