中国科学院数学与系统科学研究院期刊网
Symmetry, Exact Solutions and Conservation Laws of the Coupled KdV Equations
XU Bin, LIU Xiqiang, LIU Yutang
Acta Mathematicae Applicatae Sinica . 2010, (1): 118 -123 .  DOI: 10.12387/C2010012