%0 Journal Article %A I. L. Zinchenko %T A theorem on the convergence of complex analytic systems %J Differencialʹnye uravneniâ %D 1989 %P 1809-1810 %V 25 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1989_25_10_a22/ %G ru %F DE_1989_25_10_a22