%0 Journal Article %A V. V. Vaskin %A N. N. Erdakova %T On the dynamics of two point vortices in an annular region %J Russian journal of nonlinear dynamics %D 2010 %P 531-548 %V 6 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/ND_2010_6_3_a4/ %G ru %F ND_2010_6_3_a4