%0 Journal Article %A G. E. Kuzmak %A V. K. Isaev %A B. Kh. Davidson %T Optimal conditions for the motion of a point of variable mass in a homogeneous central field %J Doklady Akademii Nauk %D 1963 %P 58-61 %V 149 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1963_149_1_a14/ %G ru %F DAN_1963_149_1_a14