%0 Journal Article
%A L. E. Zabello
%A V. V. Mulyarchick
%T The observability of nonstationary systems with lag
%J Differencialʹnye uravneniâ
%D 1976
%P 800-805
%V 12
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1976_12_5_a1/
%G ru
%F DE_1976_12_5_a1