@article{Sosnitskii_2009, title={On one atypical scheme of application of the second Lyapunov method}, volume={61}, url={https://umj.imath.kiev.ua/index.php/umj/article/view/3121}, abstractNote={The second Lyapunov method is applied to the analysis of stability of triangular libration points in a three-dimensional restricted circular three-body problem. It is shown that the triangular libration points are unstable.}, number={11}, journal={Ukrains’kyi Matematychnyi Zhurnal}, author={Sosnitskii, S. P.}, year={2009}, month={Nov.}, pages={1557-1563} }