%0 Journal Article %A Yu. A. Burmakov %A A. V. Egorkin %A E. A. Popov %A V. Z. Ryaboy %T Structure of the upper mantle of north-eastern regions of the European platform according to seismic data %J Doklady Akademii Nauk %D 1975 %P 84-87 %V 224 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1975_224_1_a16/ %G ru %F DAN_1975_224_1_a16