%0 Journal Article
%A L. E. Zabello
%T On the theory of the controllability of linear nonstationary systems
%J Differencialʹnye uravneniâ
%D 1973
%P 563-564
%V 9
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1973_9_3_a23/
%G ru
%F DE_1973_9_3_a23