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    • A theorem for constructing interval-valued intuitionistic fuzzy sets from intuitionistic fuzzy sets 

      Bustince Sola, Humberto Upna; Burillo López, Pedro Upna (Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, 1995)   Artículo / Artikulua  OpenAccess
      In this paper we present a theorem that allows us to construct interval-valued intuitionistic fuzzy sets from intuitionistic fuzzy sets. We also study the way of recovering intuitionistic fuzzy sets used in the construction ...