九宫数独的方程求解算法研究
肖华勇 程海礁 王月兴
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XIAO Hua-yong CHENG Hai-jiao WANG Yue-xing
计算机应用 . 2012, (10): 2907 -2910 .  DOI: 10.3724/SP.J.1087.2012.02907