TY  - JOUR
AU  - D. V. Gorbachev
AU  - V. I. Ivanov
AU  - E. P. Ofitserov
AU  - O. I. Smirnov
TI  - Some extremal problems of harmonic analysis and approximation theory
JO  - Čebyševskij sbornik
PY  - 2017
SP  - 140
EP  - 167
VL  - 18
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CHEB_2017_18_4_a6/
LA  - ru
ID  - CHEB_2017_18_4_a6
ER  -