Geometric formulations and variational integrators of discrete autonomous Birkhoff systems

刘世兴, 刘畅, 郭永新

Liu Shi-Xing(刘世兴), Liu Chang(刘畅), and Guo Yong-Xin(郭永新)

中国物理B . 2011, (3): 34501 -034501 . DOI: 10.1088/1674-1056/20/3/034501