TY  - JOUR
AU  - N. P. Korneichuk
TI  - Best Approximation and Symmetric Decreasing Rearrangements of Functions
JO  - Informatics and Automation
PY  - 2001
SP  - 179
EP  - 193
VL  - 232
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TRSPY_2001_232_a15/
LA  - ru
ID  - TRSPY_2001_232_a15
ER  -