%0 Journal Article
%A V. L. Novikov
%T A certain theorem on the characteristic exponents of not almost reducible systems of linear differential equations with almost periodic coefficient matrices
%J Differencialʹnye uravneniâ
%D 1973
%P 857-859
%V 9
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1973_9_5_a7/
%G ru
%F DE_1973_9_5_a7