%0 Journal Article %A T. A. Agekyan %T Third integral of motion in stellar systems and in an axisymmetric field of potential %J Doklady Akademii Nauk %D 1971 %P 1310-1312 %V 200 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1971_200_6_a13/ %G ru %F DAN_1971_200_6_a13