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Affiliation of Author(s):理学院
Title of Paper:The approximation set of a vague set in rough approximation space
Journal:information sciences
Document Code:i81p4c1z-qgjp-hkzq-kfp5-5vvb3hgvdy1h
ISSN No.:0020-0255
Translation or Not:no
Date of Publication:2015-01-01
