ANSHELEVICH, E.; BHARDWAJ, O.; POSTL, J. Approximating Optimal Social Choice under Metric Preferences. Proceedings of the AAAI Conference on Artificial Intelligence, [S. l.], v. 29, n. 1, 2015. DOI: 10.1609/aaai.v29i1.9308. Disponível em: https://ojs.aaai.org/index.php/AAAI/article/view/9308. Acesso em: 7 aug. 2022.