%0 Journal Article %A L. P. Vinnik %A R. Kind %A G. L. Kosarev %T Azimuthal anisotropy at the boundary of upper and tower mantle %J Doklady Akademii Nauk %D 1989 %P 1078-1082 %V 306 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1989_306_5_a11/ %G ru %F DAN_1989_306_5_a11