%0 Journal Article %A V. P. Valyus %A V. I. Keilis-Borok %A A. L. Levshin %T Determination of wave velocity cross-section through Europe's upper mantle %J Doklady Akademii Nauk %D 1969 %P 564-567 %V 185 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1969_185_3_a18/ %G ru %F DAN_1969_185_3_a18