%0 Journal Article %A V. P. Keondzhyan %A A. S. Monin %T A model of the gravitational differentiation of planet bowel %J Doklady Akademii Nauk %D 1975 %P 825-828 %V 220 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1975_220_4_a18/ %G ru %F DAN_1975_220_4_a18