1. Abraham, R., Marsden, J.E.: Foundations of Mechanics. Addison-Wesley Publishing Company, Redwood City (1987)
2. Abraham, R., Marsden, J.E., Ratiu, T.S.: Manifolds, Tensor Analysis, and Applications Applied Mathematical Sciences. Springer, Berlin (1988)
3. Graduate Texts in Mathematics;VI Arnold,1997
4. Barbour, J.B.: On general covariance and best matching. In: Callender, C., Huggett, N. (eds.) Physics Meets Philosophy at the Planck Scale: Contemporary Theories in Quantum Gravity, pp. 199–212. Cambridge University Press, Cambridge (2001)
5. Birkhoff, G., Bennett, M.K.: Felix Klein and his “Erlanger Programm”. University of Minnesota Press, Minneapolis. Retrieved from the University of Minnesota Digital Conservancy. http://hdl.handle.net/11299/185660 (1988)