%0 Journal Article %A V. P. Myasnikov %A G. B. Udintsev %A O. G. Sorokhtin %A S. A. Ushakov %T A mechanism of gravitational differentiation of Earth's matter %J Doklady Akademii Nauk %D 1971 %P 86-89 %V 199 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1971_199_1_a18/ %G ru %F DAN_1971_199_1_a18