%0 Journal Article %A M. A. Sokolovskiy %A J. Verron %T Some properties of motion of $A+1$ vortices in a two-layer rotating fluid %J Russian journal of nonlinear dynamics %D 2006 %P 27-54 %V 2 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/ND_2006_2_1_a1/ %G ru %F ND_2006_2_1_a1