Yiyu Yao, Bingxue Yao. Covering based rough set approximations. Inf. Sci., 200:91-107, 2012. [doi]
@article{YaoY12,
title = {Covering based rough set approximations},
author = {Yiyu Yao and Bingxue Yao},
year = {2012},
doi = {10.1016/j.ins.2012.02.065},
url = {http://dx.doi.org/10.1016/j.ins.2012.02.065},
researchr = {https://researchr.org/publication/YaoY12},
cites = {0},
citedby = {0},
journal = {Inf. Sci.},
volume = {200},
pages = {91-107},
}