A new method to obtain approximate symmetry of nonlinear evolution equation from perturbations

张智勇, 雍雪林, 陈玉福

Zhang Zhi-Yong(张智勇), Yong Xue-Lin(雍雪林), and Chen Yu-Fu(陈玉福)

中国物理B . 2009, (7): 2629 -2633 . DOI: 10.1088/1674-1056/18/7/002