%0 Journal Article %A G. G. Sutyrin %T The beta effect and the evolution of a localized vortex %J Doklady Akademii Nauk %D 1987 %P 1076-1080 %V 296 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1987_296_5_a11/ %G ru %F DAN_1987_296_5_a11