TY  - JOUR
AU  - A. V. Kroó
TI  - The correctness problem for best approximations by trigonometric polynomials in the class $W_0^rH[\omega]_C$
JO  - Matematičeskie zametki
PY  - 1977
SP  - 85
EP  - 101
VL  - 22
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1977_22_1_a9/
LA  - ru
ID  - MZM_1977_22_1_a9
ER  -