粗糙集、商空间及概念格中粒的统一描述

闫林，张新明，何健仓，李富有

Uniform description for granules appearing in rough set，quotient space and concept lattice

YAN Lin，ZHANG Xin-ming，HE Jian-cang，LI FU-you

计算机工程与应用 . 2010, (9): 38 -41 . DOI: 10.3778/j.issn.1002-8331.2010.09.012