计算专题1 拉格朗日点相关问题的一些计算

Notes on Mathematical Methods for Physicists Chapter3

Notes on Mathematical Methods for Physicists Appendix1

Notes on Mathematical Methods for Physicists Chapter2

微分几何入门与广义相对论 附录A

微分几何入门与广义相对论 Chapter1

微分几何入门与广义相对论 Chapter2

Notes on Mathematical Methods for Physicists Chapter1