Yin, Guomin; Zhang, Cheng On definitions of intuitionistic fuzzy subgroups. (English) Zbl 1164.20375 Notes IFS 3, No. 3, 105-108 (1997). MSC: 20N25 03E72 PDFBibTeX XMLCite \textit{G. Yin} and \textit{C. Zhang}, Notes IFS 3, No. 3, 105--108 (1997; Zbl 1164.20375)
De, Supriya Kumar; Biswas, Ranjit; Roy, Akhil Ranjan Optimal selection of the most suitable method cut of \(n\) alternatives: an intuitionistic fuzzy approach. (English) Zbl 1182.90053 Notes IFS 3, No. 3, 97-104 (1997). MSC: 90B50 PDFBibTeX XMLCite \textit{S. K. De} et al., Notes IFS 3, No. 3, 97--104 (1997; Zbl 1182.90053)
Yuan, Xue-hai The power object of category IFuz. (English) Zbl 1182.18002 Notes IFS 3, No. 3, 92-96 (1997). MSC: 18B25 54A40 54B30 PDFBibTeX XMLCite \textit{X.-h. Yuan}, Notes IFS 3, No. 3, 92--96 (1997; Zbl 1182.18002)
Atanassov, Krassimir T. An extension of the universal operator over intuitionistic fuzzy sets and some of its properties. (English) Zbl 1182.03081 Notes IFS 3, No. 3, 89-91 (1997). MSC: 03E72 PDFBibTeX XMLCite \textit{K. T. Atanassov}, Notes IFS 3, No. 3, 89--91 (1997; Zbl 1182.03081)
Zhang, Cheng \((t,s)\)-intuitionistic fuzzy subgroups. (English) Zbl 1164.20376 Notes IFS 3, No. 3, 85-88 (1997). MSC: 20N25 03E72 PDFBibTeX XMLCite \textit{C. Zhang}, Notes IFS 3, No. 3, 85--88 (1997; Zbl 1164.20376)