Article ID: | iaor20001150 |
Country: | China |
Volume: | 18 |
Issue: | 4 |
Start Page Number: | 494 |
End Page Number: | 500 |
Publication Date: | Oct 1998 |
Journal: | Journal of Systems Science and Complexity |
Authors: | Chen X.H. |
Keywords: | duality |
In this paper, under the