![](/img/cover-not-exists.png)
On characterizations of a pair of covering-based approximation operators
Zhang, Yan-Lan, Li, Chang-Qing, Li, JinjinLanguage:
english
Journal:
Soft Computing
DOI:
10.1007/s00500-018-3321-8
Date:
June, 2018
File:
PDF, 458 KB
english, 2018