%0 Journal Article %A L. G. Kurakin %A A. V. Kurdoglyan %T Semi-Invariant Form of Equilibrium Stability Criteria for Systems with One Cosymmetry %J Russian journal of nonlinear dynamics %D 2019 %P 525-531 %V 15 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/ND_2019_15_4_a11/ %G en %F ND_2019_15_4_a11