1. Baluyev R.V., Kholshevnikov K.V.: Distance between two arbitrary unperturbed orbits. Celest. Mech. Dyn. Astron. 91, 287–300 (2005)
2. Battin R.H.: An Introduction to the Mathematics and Methods of Astrodynamics, Second Printing. AIAA Education Series, Providence (1987)
3. Berz M., Bischof C., Corliss G., Griewank A.: Computational Differentiation: Techniques, Applications, and Tools. 1–419. SIAM, Philadelphia (1996)
4. Berz M.: Modern Map Methods in Particle Beam Physics. Academic Press, London (1999)
5. Berz M., Makino K., Kim Y.: Long-term stability of the tevatron by verified global optimisation. Nucl. Instrum. Methods A558, 1–10 (2005)