Kumar, Prashant, and Ram Krishan Sharma. “On Merging of Resonant Periodic Orbits 4:3; 3:2 and 2:1 in Sun-Jupiter Photo Gravitational Restricted Three-Body Problem”. International Journal of Advanced Astronomy 7, no. 1 (May 11, 2019): 17–24. Accessed April 29, 2024. https://www.sciencepubco.com/index.php/IJAA/article/view/17346.