TY  - JOUR
AU  - N. A. Shirokov
TI  - Inverse approximation theorem on an infinite union of segments
JO  - Zapiski Nauchnykh Seminarov POMI
PY  - 2002
SP  - 168
EP  - 176
VL  - 290
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZNSL_2002_290_a7/
LA  - ru
ID  - ZNSL_2002_290_a7
ER  -