%0 Journal Article %A I. K. Lifanov %T Velocity calculation in the method of discrete vortices %J Doklady Akademii Nauk %D 1990 %P 1399-1402 %V 313 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1990_313_6_a27/ %G ru %F DAN_1990_313_6_a27