%0 Journal Article %A G. M. Rozenblat %A V. T. Grishakin %T Singularities of the Dynamics of Some Bar Systems %J Russian journal of nonlinear dynamics %D 2023 %P 187-200 %V 19 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/ND_2023_19_2_a1/ %G en %F ND_2023_19_2_a1