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3. Markeev, A.P., Libration Points in Celestial Mechanics and Astrodynamics, Moscow: Nauka, 1978 [in Russian].
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5. Bruno, A.D., Enderal, V.F., and Romanovski, V.G., On new integrals of the Algaba–Gamero–Garcia system, in Computer Algebra in Scientific Computing, Gerdt, V.P., Koepf, W, Mayr, E.W., and Vorozhtsov, E.V., Eds., Berlin: Springer, 2017; Lect. Notes Comput. Sci., vol. 10490, pp. 40–50.