Glad Deschrijver. Generalized arithmetic operators and their relationship to t-norms in interval-valued fuzzy set theory. Fuzzy Sets and Systems, 160(21):3080-3102, 2009. [doi]
@article{Deschrijver09a, title = {Generalized arithmetic operators and their relationship to t-norms in interval-valued fuzzy set theory}, author = {Glad Deschrijver}, year = {2009}, doi = {10.1016/j.fss.2009.05.002}, url = {http://dx.doi.org/10.1016/j.fss.2009.05.002}, researchr = {https://researchr.org/publication/Deschrijver09a}, cites = {0}, citedby = {0}, journal = {Fuzzy Sets and Systems}, volume = {160}, number = {21}, pages = {3080-3102}, }