Birkhoff系统的广义正则变换及其基本形式
张毅
The Generalized Canonical Transformations of Birkhoffian Systems and Their Basic Formulations
ZHANG Yi
力学季刊 . 2019, (4): 656 -665 .  DOI: 10.15959/j.cnki.0254-0053.2019.04.02