AZIZ, H.; ELKIND, E.; HUANG, S.; LACKNER, M.; SANCHEZ-FERNANDEZ, L.; SKOWRON, P. On the Complexity of Extended and Proportional Justified Representation. Proceedings of the AAAI Conference on Artificial Intelligence, [S. l.], v. 32, n. 1, 2018. DOI: 10.1609/aaai.v32i1.11478. Disponível em: https://ojs.aaai.org/index.php/AAAI/article/view/11478. Acesso em: 13 aug. 2022.