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陈文;刘绍清;郑若鹢;黄河清
Duality Analysis of Approximation Operations in Covering-based Rough Sets
CHEN Wen;LIU Shao-qing;ZHENG Ruo-yi;HUANG He-qing
计算机与现代化 . 2012, (7): 1 -5 .  DOI: 10.3969/j.issn.1006-2475.2012.07.001