Nianbai Fan, Gongzhu Hu, Hui Liu. Study of definable subsets in covering approximation spaces of rough sets. In Proceedings of the IEEE International Conference on Information Reuse and Integration, IRI 2011, 3-5 August 2011, Las Vegas, Nevada, USA. pages 21-24, IEEE Systems, Man, and Cybernetics Society, 2011. [doi]
Abstract is missing.