Miller J H. On the location of zeros of certain class of polynomials with application to numerical analysis [J]. Journal of the Institute of Mathematics and Its Applications, 1971(4):397-409.doi:10.1093/imamat/8.3.397.
[5]
Feng Kang. On difference schemes and symplectic geometry [A]. 北京:科学出版社, 1985.42-58.
[6]
Qin Mengzhao, Zhu Wenjie. Construction of symplectic schemes for wave equations via hyperbolic functions sinh(x) cosh(x) tanh(x) [J]. Computers & Mathematics with Applications, 1993(8):1-11.
[7]
Ge Zhong, Feng Kang. On the approximation of linear Hamiltonian systems [J]. Journal of Computational Mathematics, 1988(1):88-97.