%0 Journal Article %A N. I. Krupnova %A S. N. Shimanov %T The instability of the solutions of linear systems of differential equations with lag %J Differencialʹnye uravneniâ %D 1972 %P 1963-1968 %V 8 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1972_8_11_a6/ %G ru %F DE_1972_8_11_a6