journal:Journal of Physics A: Mathematical and General
Authors:Yi Cheng; Yi-Shen Li
Published date:1992-1-21
DOI:10.1088/0305-4470/25/2/022
PDF link:http://stacks.iop.org/0305-4470/25/i=2/a=022/pdf
Article link:http://dx.doi.org/10.1088/0305-4470/25/2/022
Article Source:IOP Publishing。
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