Sifeng Liu, Zhigeng Fang, Zhou Wei, Aiqing Ruan. A gray input-output model based on the standard interval grey number. In FUZZ-IEEE 2008, IEEE International Conference on Fuzzy Systems, Hong Kong, China, 1-6 June, 2008, Proceedings. pages 1253-1255, IEEE, 2008. [doi]
Abstract is missing.