%0 Journal Article %A A. V. Platonov %T Investigation of the stability of solutions of nonlinear systems with unbounded perturbations %J Differencialʹnye uravneniâ %D 1999 %P 1707-1708 %V 35 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1999_35_12_a13/ %G ru %F DE_1999_35_12_a13