中国科学院数学与系统科学研究院期刊网
THE DURBONX TRANSFORMATION OF AN EIGENVALUE PROBLEM AND THE SOLITON SOLUTIONS OF THE SINE-GORDON EQUATION WITH EXTERNAL FIELD
Li Yi-shen
Acta Mathematicae Applicatae Sinica . 1986, (2): 196 -200 .  DOI: 10.12387/C1986023