Leonid G. Kurakin, Irina A. Lysenko, Irina V. Ostrovskaya, Mikhail A. Sokolovskiy. On Stability of the Thomson's Vortex N-gon in the Geostrophic Model of the Point Vortices in Two-layer Fluid. J. Nonlinear Science, 29(4):1659-1700, 2019. [doi]
Abstract is missing.