The following publications are possibly variants of this publication:
- (delta, T)-fuzzy rough approximation operators and the TL-fuzzy rough ideals on a ringFei Li, Yunqiang Yin, Lingxia Lu. isci, 177(21):4711-4726, 2007. [doi]
- The Construction of Fuzzy Concept Lattices Based on (θ, σ)-Fuzzy Rough Approximation OperatorsYanqing Yao, Ju-Sheng Mi, Zhoujun Li, Bin Xie 0003. FUIN, 111(1):33-45, 2011. [doi]