Carol L. Walker, Elbert A. Walker. Some general comments on fuzzy sets of type-2. Int. J. Intell. Syst., 24(1):62-75, 2009. [doi]
@article{WalkerW09:0,
title = {Some general comments on fuzzy sets of type-2},
author = {Carol L. Walker and Elbert A. Walker},
year = {2009},
doi = {10.1002/int.20322},
url = {http://dx.doi.org/10.1002/int.20322},
researchr = {https://researchr.org/publication/WalkerW09%3A0},
cites = {0},
citedby = {0},
journal = {Int. J. Intell. Syst.},
volume = {24},
number = {1},
pages = {62-75},
}