%0 Journal Article
%A E. L. Tonkov
%T A remark on the controllability of a linear periodic system
%J Differencialʹnye uravneniâ
%D 1978
%P 1715-1717
%V 14
%N 9
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1978_14_9_a26/
%G ru
%F DE_1978_14_9_a26