%0 Journal Article %A L. P. Vinnik %A R. A. Avetisyan %A N. G. Mikhailova %T Planetary and regional features of the mantle structure according to the observations of exchange wave $PS$ %J Doklady Akademii Nauk %D 1982 %P 313-316 %V 266 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1982_266_2_a14/ %G ru %F DAN_1982_266_2_a14