中国科学院数学与系统科学研究院期刊网
AMS
The Lax Representation and Darboux Transformation for Constrained Flows of the AKNS Hierarchy
Zeng Yunbo, Li Yishen
Acta Mathematica Sinica . 1996, (2): 217 -224 .  DOI: 10.1007/BF02108164