%0 Journal Article %A S. S. Zilitinkevich %T On the estimation of surface drift current velocity and direction %J Doklady Akademii Nauk %D 1976 %P 1327-1330 %V 231 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1976_231_6_a12/ %G ru %F DAN_1976_231_6_a12