TY  - JOUR
AU  - V. G. Doronin
AU  - A. A. Ligun
TI  - Best-possible one-sided approximations in the classes $W_\alpha^rV$ ($r>-1$) by trigonometric polynomials in the metric of $L_1$
JO  - Matematičeskie zametki
PY  - 1977
SP  - 357
EP  - 370
VL  - 22
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1977_22_3_a4/
LA  - ru
ID  - MZM_1977_22_3_a4
ER  -