János Demetrovics. Candidate Keys and Antichains. SIAM J. Matrix Analysis Applications, 1(1):92, 1980. [doi]
@article{Demetrovics80-0, title = {Candidate Keys and Antichains}, author = {János Demetrovics}, year = {1980}, doi = {10.1137/0601012}, url = {http://dx.doi.org/10.1137/0601012}, researchr = {https://researchr.org/publication/Demetrovics80-0}, cites = {0}, citedby = {0}, journal = {SIAM J. Matrix Analysis Applications}, volume = {1}, number = {1}, pages = {92}, }