Humberto Bustince. Fuzzy Sets and Their Extensions: Leitmotiv of the Research Group of Artificial Intelligence and Approximate Reasoning (GIARA). In Rudolf Seising, Enric Trillas, Claudio Moraga, Settimo Termini, editors, On Fuzziness - A Homage to Lotfi A. Zadeh - Volume 1. Volume 298 of Studies in Fuzziness and Soft Computing, pages 77-82, Springer, 2013. [doi]
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