By Jiang Wei-Dong   in Mathematics Magazine

ISSN:1930-0980|80|5|344-344

Mathematical Association of America‎(2007)‎

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By Feng-Rui Wang   Hong-Jie Liu   Jin Huang   Xin-Da Zhou   Xiao-Dong Jiang   Wei-Dong Wu   Wan-Guo Zheng   Xin Ju   in Chinese Physics Letters

ISSN:0256-307X|28|1|14206-14208

IOP Publishing‎(2011)‎

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