Radim Belohlávek, Vilém Vychodil. Codd's Relational Model from the Point of View of Fuzzy Logic. Journal of Logic and Computation, 21(5):851-862, 2011. [doi]
@article{BelohlavekV11,
title = {Codd's Relational Model from the Point of View of Fuzzy Logic},
author = {Radim Belohlávek and Vilém Vychodil},
year = {2011},
doi = {10.1093/logcom/exp056},
url = {http://dx.doi.org/10.1093/logcom/exp056},
researchr = {https://researchr.org/publication/BelohlavekV11},
cites = {0},
citedby = {0},
journal = {Journal of Logic and Computation},
volume = {21},
number = {5},
pages = {851-862},
}