时间尺度上Herglotz变分原理及其Noether定理
田雪，张毅
Variational Principle of Herglotz Type and Its Noether’s Theorem on Time Scales
TIAN Xue, ZHANG Yi
力学季刊 . 2018, (2): 237 -248 .  DOI: 10.15959/j.cnki.0254-0053.2018.02.002