%0 Journal Article %A G. S. Krechetov %T Conditions for the conservation of asymptotic stability in the case of a double zero root with a nonprime elementary divisor %J Differencialʹnye uravneniâ %D 1976 %P 1985-1993 %V 12 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1976_12_11_a7/ %G ru %F DE_1976_12_11_a7