Rosa M. Rodríguez, Luis Martínez-López, Francisco Herrera, Vicenç Torra. A Review of Hesitant Fuzzy Sets: Quantitative and Qualitative Extensions. In Cengiz Kahraman, Uzay Kaymak, Adnan Yazici, editors, Fuzzy Logic in Its 50th Year - New Developments, Directions and Challenges. Volume 341 of Studies in Fuzziness and Soft Computing, pages 109-128, Springer, 2016. [doi]
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