Wei-Yi Liu. A relational data model with fuzzy inheritance dependencies. Fuzzy Sets and Systems, 89(2):205-213, 1997. [doi]
@article{Liu97b-0,
title = {A relational data model with fuzzy inheritance dependencies},
author = {Wei-Yi Liu},
year = {1997},
doi = {10.1016/S0165-0114(96)00102-9},
url = {http://dx.doi.org/10.1016/S0165-0114(96)00102-9},
researchr = {https://researchr.org/publication/Liu97b-0},
cites = {0},
citedby = {0},
journal = {Fuzzy Sets and Systems},
volume = {89},
number = {2},
pages = {205-213},
}