%0 Journal Article
%A G. A. Los'
%T A solution of the stability problem for a system of linear differential equations with $\pi $-periodic coefficients by means of the $\pi /4$-characteristic equation
%J Differencialʹnye uravneniâ
%D 1970
%P 565-568
%V 6
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1970_6_3_a21/
%G ru
%F DE_1970_6_3_a21