1. Preserving first integrals and volume forms of additively split systems,;P. Chartier;IMA Journal of Numerical Analysis,2007
2. Difference schemes for hamiltonian formalism and symplectic geometry,;K. Feng;J. Comput. Math,1986
3. Construction of canonical difference schemes for Hamiltonian formalism via generating functions,;K. Feng;J. Comput. Math.,1989
4. Volume-preserving algorithms for source-free dynamical systems,;K. Feng;Numer. Math.,1995
5. Classical Mechanics,;H. Goldstein;3rd edition,2001