摘要
In this note, it is shown that the revision of the Kaup-Newell＇s works on 1ST for DNLS equation is only available in the ease of solving the bright one-soliton solution to the equation. An example is taken to illustrate our point of view.
基金
the Postdoctoral Fund of Huazhong University of Science and Technology under Grant No.0128011006
