%0 Journal Article
%A V. M. Marchenko
%T The algebraic basis for a certain controllability criterion
%J Differencialʹnye uravneniâ
%D 1973
%P 2088-2091
%V 9
%N 11
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1973_9_11_a21/
%G ru
%F DE_1973_9_11_a21