The following publications are possibly variants of this publication:
- The variety generated by the truth value algebra of type-2 fuzzy setsJohn Harding, Carol L. Walker, Elbert A. Walker. fss, 161(5):735-749, 2010. [doi]
- The Algebra of Truth Values of Type-2 Fuzzy Sets: A SurveyCarol L. Walker, Elbert A. Walker. In Van-Nam Huynh, Yoshiteru Nakamori, Hiroakira Ono, Jonathan Lawry, Vladik Kreinovich, Hung T. Nguyen, editors, Interval / Probabilistic Uncertainty and Non-Classical Logics. Volume 46 of Advances in Soft Computing, pages 245-255, Springer, 2008. [doi]
- On Complete Sublattices of the Algebra of Truth Values of Type-2 Fuzzy SetsJohn Harding, Carol L. Walker, Elbert A. Walker. fuzzIEEE 2007: 1-5 [doi]
- Partial Orders on Fuzzy Truth Value AlgebrasJohn Harding, Carol L. Walker, Elbert A. Walker. ijufks, 23(2):193-220, 2015. [doi]
- The algebra of fuzzy truth valuesCarol L. Walker, Elbert A. Walker. fss, 149(2):309-347, 2005. [doi]
- Automorphisms of the Algebra of Fuzzy Truth ValuesCarol L. Walker, Elbert A. Walker. ijufks, 14(6):711-732, 2006. [doi]
- Automorphisms of the Algebra of Fuzzy Truth Values IICarol L. Walker, Elbert A. Walker. ijufks, 16(5):627-643, 2008. [doi]