%0 Journal Article %A A. V. Zhevnyak %T The direction vector method for investigating the stability of singular points of nonlinear systems. II. Partial results, examples and discussions %J Differencialʹnye uravneniâ %D 1985 %P 923-932 %V 21 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1985_21_6_a0/ %G ru %F DE_1985_21_6_a0