@article{DAN_1971_200_6_a13, author = {T. A. Agekyan}, title = {Third integral of motion in stellar systems and in an axisymmetric field of potential}, journal = {Doklady Akademii Nauk}, pages = {1310--1312}, publisher = {mathdoc}, volume = {200}, number = {6}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1971_200_6_a13/} }