1. Zhong Wanxie.A New Systematic Methodology for Theory of Elasticity [M]. Dalian: Dalian University of Technology Press, 1995. (in Chinese)
2. Zheng Yu, Zhang Hongqing. The canonical Hamiltonianian representations in solid mechanics [J].Acta Mechanica Sinica, 1996,28(l):119 ∼ 125. (in Chinese)
3. Alatancang, Zhang Hongqing, Zhong Wanxie. The canonical Hamiltonianian representations in a class of partial differential equation [J].Acta Mechanica Sinica,1999,31(3):347 ∼ 357. (in Chinese)
4. Santilli R M.Foundations of Theoretical Mechanics[M]. New York: Springer-Verlag, 1978.
5. Olver P J.Applications of Lie Groups to Differential Equations (GTM, Vol. 107) [M]. New York: Springer-Verlag,1986 .