Wolfgang Mulzer, Günter Rote. Minimum-weight triangulation is NP-hard. Journal of the ACM, 55(2), 2008. [doi]
@article{MulzerR08, title = {Minimum-weight triangulation is NP-hard}, author = {Wolfgang Mulzer and Günter Rote}, year = {2008}, doi = {10.1145/1346330.1346336}, url = {http://doi.acm.org/10.1145/1346330.1346336}, researchr = {https://researchr.org/publication/MulzerR08}, cites = {0}, citedby = {0}, journal = {Journal of the ACM}, volume = {55}, number = {2}, }