TY  - JOUR
AU  - M. I. Ganzburg
TI  - Exact constants of the best harmonic approximation of a function
JO  - Doklady Akademii Nauk
PY  - 1988
SP  - 788
EP  - 791
VL  - 298
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1988_298_4_a3/
LA  - ru
ID  - DAN_1988_298_4_a3
ER  -