Methods of reduction for Lagrange systems on time scaleswith nabla derivatives
金世欣, 张毅
Methods of reduction for Lagrange systems on time scaleswith nabla derivatives
Shi-Xin Jin(金世欣), Yi Zhang(张毅)
中国物理B . 2017, (1): 14501 -014501 .  DOI: 10.1088/1674-1056/26/1/014501