Yong Lin Liu, Hee Sik Kim, Joseph Neggers. Hyperfuzzy subsets and subgroupoids. Journal of Intelligent and Fuzzy Systems, 33(3):1553-1562, 2017. [doi]
@article{LiuKN17,
title = {Hyperfuzzy subsets and subgroupoids},
author = {Yong Lin Liu and Hee Sik Kim and Joseph Neggers},
year = {2017},
doi = {10.3233/JIFS-17104},
url = {https://doi.org/10.3233/JIFS-17104},
researchr = {https://researchr.org/publication/LiuKN17},
cites = {0},
citedby = {0},
journal = {Journal of Intelligent and Fuzzy Systems},
volume = {33},
number = {3},
pages = {1553-1562},
}