Li Xiangpeng, Tang Qiang, Liu Qing. An minimal axiom group of rough set based on generalized relation. In Xiaohua Hu, Qing Liu, Andrzej Skowron, Tsau Young Lin, Ronald R. Yager, Bo Zhang, editors, 2005 IEEE International Conference on Granular Computing, Beijing, China, July 25-27, 2005. pages 307-309, IEEE, 2005. [doi]
Abstract is missing.