TY  - JOUR
AU  - A. S. Nemirovskiǐ
TI  - Necessary conditions for efficient estimation of functionals of a~nonparametric signal observed in white noise
JO  - Teoriâ veroâtnostej i ee primeneniâ
PY  - 1990
SP  - 83
EP  - 91
VL  - 35
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TVP_1990_35_1_a7/
LA  - ru
ID  - TVP_1990_35_1_a7
ER  -