1. R. de Vogelaere , “ Methods of integration which preserve the contact transformation property of the Hamiltonian equations,” Technical Report No. 4, Department of Mathematics, University of Notre Dame, Notre Dame, IN, 1956.
2. B. S. DeWitt , “ A numerical method for two-dimensional Lagrangian hydrodynamics,” Technical Report No. UCRL-4250, Radiation Laboratory, Livermore Site, University of California, 1953.
3. What kinds of dynamics are there? Lie pseudogroups, dynamical systems and geometric integration
4. E. Hairer , C. Lubich , and G. Wanner , Geometric Numerical Integration ( Springer, 2006).
5. Hamiltonian description of the ideal fluid