%0 Journal Article %A V. N. Laptinskii %T A certain application of parametric functions of matrices in the theory of linear systems %J Differencialʹnye uravneniâ %D 1973 %P 2261-2264 %V 9 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1973_9_12_a22/ %G ru %F DE_1973_9_12_a22