%0 Journal Article
%A F. P. Vasil'ev
%T On duality in linear problems of control and observation
%J Differencialʹnye uravneniâ
%D 1995
%P 1893-1900
%V 31
%N 11
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1995_31_11_a14/
%G ru
%F DE_1995_31_11_a14