%0 Journal Article %A Zhou Jinxin %T Bounded and Periodic Solutions of Nonlinear Differential Systems %J Differencialʹnye uravneniâ %D 2001 %P 1289-1291 %V 37 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_2001_37_9_a20/ %G ru %F DE_2001_37_9_a20