1. R. K. Sharma, H. Sellamuthu, and A. A. Jency, in Proceedings of the AAS AIAA Astrodynamics Specialist Conference (2020), p. 20.
2. V. Szebehely, Theory of Orbits, the Restricted Problem of Three Bodies (Academic, New York, 1967).
3. P. Subbarao and R. K. Sharma, Astron. Astrophys. 43, 381 (1975).
4. R. K. Sharma and P. V. Subbarao, Cel. Mech. Dyn. Astron. 13, 137 (1976).
5. C. N. Douskos and V. V. Markellos, Astron. Astrophys. 44, 357 (2006).