%0 Journal Article
%A O. I. Kostyukova
%T An optimality criterion in a linear-quadratic optimal control problem for a descriptor system
%J Differencialʹnye uravneniâ
%D 2000
%P 1475-1481
%V 36
%N 11
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_2000_36_11_a4/
%G ru
%F DE_2000_36_11_a4