%0 Journal Article %A K. G. Valeev %A J. V. Rakitskii %T On the determination by difference methods of regions of instability of the solutions of a system of linear differential equations %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1964 %P 110-122 %V 4 %N 14 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_1964_4_14_a4/ %G ru %F ZVMMF_1964_4_14_a4