Montero De Juan, Francisco JavierKulikowski, RomanRudnicki, Jerzy2023-06-202023-06-20199083-85262-05-9https://hdl.handle.net/20.500.14352/60906Proceeding of the Second Polish-Spanish Conference (1990. Poland)engAnother view to Arrow`s theorembook partopen access519.21Aggregation rolesGroup decision makingFuzzy opinions.Probabilidades (Matemáticas)