%0 Journal Article %A V. N. Strakhov %T On the synthesis of series expansion of external gravitational potential m spherical %J Doklady Akademii Nauk %D 1980 %P 839-841 %V 254 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1980_254_4_a17/ %G ru %F DAN_1980_254_4_a17