TY  - JOUR
AU  - V. S. Balaganskii
TI  - Exact constant in the Jackson--Stechkin inequality in the space $L^2$ on the period
JO  - Trudy Instituta matematiki i mehaniki
PY  - 2009
SP  - 79
EP  - 101
VL  - 15
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TIMM_2009_15_1_a6/
LA  - ru
ID  - TIMM_2009_15_1_a6
ER  -