2003/05/28 by Zeqian Chen, Chen, Zeqian
Mathematics · Physics and Astronomy · #FOS: Physical sciences #Mathematical Physics (math-ph) #math-ph #math.MP
paper · pdf · doi:10.48550/arxiv.math-ph/0305059
This paper has been withdrawn
arxiv created 2003/06/17 · arxiv updated 2009/11/30
This paper has been withdrawn by the author due to a crucial error.