Donyatalab, Yaser; Farrokhizadeh, Elmira; Garmroodi, Seyed Davoud Seyed; Shishavan, Seyed Amin Seyfi Harmonic mean aggregation operators in spherical fuzzy environment and their group decision making applications. (English) Zbl 1452.91081 J. Mult.-Val. Log. Soft Comput. 33, No. 6, 565-592 (2019). MSC: 91B06 91B86 PDFBibTeX XMLCite \textit{Y. Donyatalab} et al., J. Mult.-Val. Log. Soft Comput. 33, No. 6, 565--592 (2019; Zbl 1452.91081) Full Text: Link
Garg, Harish; Kumar, Kamal Group decision making approach based on possibility degree measures and the linguistic intuitionistic fuzzy aggregation operators using Einstein norm operations. (English) Zbl 1429.91104 J. Mult.-Val. Log. Soft Comput. 31, No. 1-2, 175-209 (2018). MSC: 91B06 91B86 PDFBibTeX XMLCite \textit{H. Garg} and \textit{K. Kumar}, J. Mult.-Val. Log. Soft Comput. 31, No. 1--2, 175--209 (2018; Zbl 1429.91104) Full Text: Link