1. Kardashev, N.S., Kreisman, B.B., and Ponomarev, Yu.N., New Orbit and New Capabilities of the RADIOASTRON Project, in Radioastronomicheskaya tekhnika i metody (Radio Astronomy Instrumentation and Technique), vol. 228 of Trudy FIAN, Moscow, 2000, pp. 3–12.
2. Szebehely, V., Theory of Orbits: The Restricted Problem of Three Bodies, New York: Academic, 1967. Translated under the title Teoriya orbit. Ogranichennaya zadacha trekh tel, Moscow: Nauka, 1982.
3. Poincare, H., Les Methodes Nouvelles de la Mecanique Celeste, vol. 1–3, Paris: Gauthier-Villars, 1899.
4. Bruno, A.D., Ogranichennaya zadacha trekh tel (The Restricted Three-Body Problem), Moscow: Nauka, 1990.
5. Kreisman, B.B., Symmetrical Periodic Solutions to the Planar Restricted Three-Body Problem, Preprint of P.N. Lebedev Physical Inst., Russ. Acad. Sci., Moscow, 1997, no. 66.