TY  - JOUR
AU  - A. V. Kryazhimskii
AU  - Yu. S. Osipov
TI  - Best approximation of the differentiation operator in the class of nonanticipatory operators
JO  - Matematičeskie zametki
PY  - 1985
SP  - 192
EP  - 199
VL  - 37
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1985_37_2_a6/
LA  - ru
ID  - MZM_1985_37_2_a6
ER  -