%0 Journal Article %A P. S. Kultyshev %T The global stability of certain second order system %J Differencialʹnye uravneniâ %D 1968 %P 1452-1464 %V 4 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1968_4_8_a10/ %G ru %F DE_1968_4_8_a10