J. E. Marsden and T. Ratiu, Introduction to Mechanics and Symmetry: a Basic Exposition of Classical Mechanical Systems (Springer, New York,1994).

P. J. Morrison, Reviews of Modern Physics 70 (1998) 467.

R. G. Littlejohn, J. Math. Phys. 20 (1979) 2445; R. G. Littlejohn, J. Math. Phys. 23 (1982) 742; J. R. Cary and R. G. Littlejohn, Ann. Physics 151 (1983) 1.

D. D. Holm, J. E. Marsden, T. Ratiu and A. Weinstein, Phys. Rep. 123 (1985) 1; P. J. Morrison and S. Eliezer, 1986, Phys. Rev. A 33, (1986) 4205; T. G. Shepherd in : Topological Aspects of the Dynamics of Fluids and Plasmas, ed. H. K. Moffatt (Kluwer Academic, Dordrecht, 1992) 275.

F. Magri, J. Math. Phys. 19 (1978) 1156; P. J. Olver, Phys. Lett. A 148 (1990) 177.

Y. Kosmann-Schwarzbach in: Integrability of Nonlinear Systems, ed. Y. Kosmann-Schwarzbach, B. Grammaticos, K.M. Tamizhmani (Springer, Berlin, 1997) 104.

A. Weinstein, J. Diff. Geom. 18 (1983) 523, 22 (1985) 255(E)

I. Vaisman, Lectures on the Geometry of Poisson Manifolds (Birkhauser, Basel, 1994).

P. Libermann, C-M. Marle, trans B. E. Schwarzbach, Symplectic Geometry and Analytical Mechanics (D. Reidel, Boston, 1987); H. Hofer, E. Zehnder, Symplectic Invariants and Hamiltonian Dynamics (Birkhauser, Basel, 1994).

