Prolongation structure of the variable coefficient KdV equation
杨云青, 陈勇
Prolongation structure of the variable coefficient KdV equation
Yang Yun-Qing(杨云青) and Chen Yong(陈勇)
中国物理B . 2011, (1): 10206 -010206 .  DOI: 10.1088/1674-1056/20/1/010206