%0 Journal Article %A S. V. Kartyshov %A A. V. Shyarmokas %T Numerical construction of stability boundaries for systems of second-order differential equations with delay %J Differencialʹnye uravneniâ %D 1990 %P 1236-1240 %V 26 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1990_26_7_a15/ %G ru %F DE_1990_26_7_a15