1. R. Abraham, J.E. Marsden, Foundations of Mechanics, 2nd ed., Revised, Enlarged, Reset, Benjamin/Cummings, Massachusetts, 1978.
2. V.I. Arnold, Mathematical Methods of Classical Mechanics, Springer, Berlin, 1978.
3. V.I. Arnold, B.A. Khesin, Topological Methods in Hydrodynamics, Springer, New York, 1998.
4. J. Bochnak, M. Coste, M.-F. Roy, Géométrie algébraique reelle, Ergebnisse der Mathematik und ihrer Grenzgebiete, vol. 3, Folge, Band 12, Springer, New York, 1987.
5. T.J. Bridges, J.E. Furter, Singularity Theory and Equivariant Symplectic Maps, Lecture Notes in Mathematics, vol. 1558, Springer, New York, 1993.