%0 Journal Article %A V. V. Basov %T Bifurcation of an Equilibrium for a System of Differential Equations in the Critical Case of Two Pure Imaginary and Two Zero Roots of the Characteristic Equation: II %J Differencialʹnye uravneniâ %D 2001 %P 435-438 %V 37 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_2001_37_4_a0/ %G ru %F DE_2001_37_4_a0