The Journal of China Universities of Posts and Telecommunications
Attribute reduction based on fuzziness of approximation set in multi-granulation spaces
徐凯 张清华 薛玉斌 胡峰
JOURNAL OF CHINA UNIVERSITIES OF POSTS AND TELECOM . 2016, (6): 16 -23 .  DOI: 10.1016/S1005-8885(16)60065-1

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