Xing, Yan; Hu, Dan; Li, Hong Xing; Liu, Xiao Hong Upper and lower approximation of an interval-valued fuzzy set based on weak inclusion. (Chinese. English summary) Zbl 1264.03115 Fuzzy Syst. Math. 23, No. 2, 155-161 (2009). MSC: 03E72 PDFBibTeX XMLCite \textit{Y. Xing} et al., Fuzzy Syst. Math. 23, No. 2, 155--161 (2009; Zbl 1264.03115)
Xing, Yan; Zeng, Wenyi; Li, Hongxing A kind of method to calculate the priority vector of fuzzy reciprocal matrix. (Chinese. English summary) Zbl 1174.90631 J. Beijing Norm. Univ., Nat. Sci. 43, No. 2, 114-119 (2007). MSC: 90B50 03E72 15A99 PDFBibTeX XMLCite \textit{Y. Xing} et al., J. Beijing Norm. Univ., Nat. Sci. 43, No. 2, 114--119 (2007; Zbl 1174.90631)