%0 Journal Article %A V. P. Shutyaev %T Some properties of a control operator in the problem of data assimilation, and algorithms for its solution %J Differencialʹnye uravneniâ %D 1995 %P 2063-2069 %V 31 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1995_31_12_a14/ %G ru %F DE_1995_31_12_a14