[1] J E Marsden, G P Patrick, S Shkoller. Multisymplectic geometry, variational integrators, and Nonlinear PDEs. Comm Math Phys,1998, 199: 351~395

[2] J E Marsden, S Shkoller. Multisymplectic Geometry, Covariant Hamiltonians, and Water Waves. Math Proc Camb Phil Soc, 1999, 125

[3] P F Zhao, M Z Qin. Multisymplectic Geometry and Multisymplectic Preissmann Scheme for the KdV Equation. J Phys A: Math Gen, 2000, 33: 3613~3626

[4] Shinar Kouranbaeva, Steve Shkoller. A Variational Approach to Second-Order Multisymplectic Field Theory. Department of mathematics, university of California, Santa Cruz, CA 95064, preprint

[5] P J Olver. Applications of Lie Groups to Differential Equations. New York: Springer-Verlag, 1986

[6] M J Gotay. A Multisymplectic Approach to the KdV Equation, published in: Differential Geometrical Methods in Theoretical Physics. In: K Bleuler, M Werner, Eds. NATO Advanced Science Institute Series C: Mathematical and Physical Sciences. Vol. 250, 295~305

[7] M J Gotay. A Multisymplectic Framework for Classical Field Theory and the Calculus of Variations I: Covariant Hamiltonian Formulation, Mechanics, Analysis and Geometry: 200 Years After Lagrange. M Francaviglia, Ed. (North Holland), 203~235

[8] George W Bluman, Sukeyuki Kumei. Symmetries and Differential Equations, Applied Mathematics Sciences. Springer-Verlag, 1991