%0 Journal Article
%A B. I. Anan'ev
%T The duality of the problems of optimal observation and control for linear systems with lag
%J Differencialʹnye uravneniâ
%D 1974
%P 1160-1167
%V 10
%N 7
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1974_10_7_a1/
%G ru
%F DE_1974_10_7_a1