
Difference Discrete Variational Principles, Euler-Lagrange Cohomology and Symplectic, Multisymplectic Structures I: Difference Discrete Variational Principle
GUO Han-Ying, LI Yu-Qi, WU Ke, and WANG Shi-Kun
Communications in Theoretical Physics ›› 2002, Vol. 37 ›› Issue (01) : 1-10.
Difference Discrete Variational Principles, Euler-Lagrange Cohomology and Symplectic, Multisymplectic Structures I: Difference Discrete Variational Principle
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