%0 Journal Article
%A T. B. Kopeikina
%T Relative observability of linear time-dependent singularly perturbed systems with delay
%J Differencialʹnye uravneniâ
%D 1998
%P 24-30
%V 34
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1998_34_1_a3/
%G ru
%F DE_1998_34_1_a3