Zuwei Liao. Minimal axiomatic system of fuzzy logical algebra. Kybernetika, 28(7):65-71, 1992. [doi]
@article{Liao92-2, title = {Minimal axiomatic system of fuzzy logical algebra}, author = {Zuwei Liao}, year = {1992}, url = {http://www.kybernetika.cz/content/1992/7/65}, researchr = {https://researchr.org/publication/Liao92-2}, cites = {0}, citedby = {0}, journal = {Kybernetika}, volume = {28}, number = {7}, pages = {65-71}, }