%0 Journal Article %A A. G. Fatianov %T A semi-analytic method for solving direct dynamical problems in %J Doklady Akademii Nauk %D 1990 %P 323-327 %V 310 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1990_310_2_a15/ %G ru %F DAN_1990_310_2_a15