%0 Journal Article
%A Kh. Yu. Kurdanov
%T A new proof of the instability of the characteristic exponents of a certain regular system
%J Differencialʹnye uravneniâ
%D 1968
%P 551-552
%V 4
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1968_4_3_a17/
%G ru
%F DE_1968_4_3_a17