John Harding, Carol L. Walker, Elbert A. Walker. On Complete Sublattices of the Algebra of Truth Values of Type-2 Fuzzy Sets. In FUZZ-IEEE 2007, IEEE International Conference on Fuzzy Systems, Imperial College, London, UK, 23-26 July, 2007, Proceedings. pages 1-5, IEEE, 2007. [doi]
Abstract is missing.