CHISTIKOV, D.; LISOWSKI, G.; PATERSON, M.; TURRINI, P. Convergence of Opinion Diffusion is PSPACE-Complete. Proceedings of the AAAI Conference on Artificial Intelligence, [S. l.], v. 34, n. 05, p. 7103-7110, 2020. DOI: 10.1609/aaai.v34i05.6197. Disponível em: https://ojs.aaai.org/index.php/AAAI/article/view/6197. Acesso em: 16 apr. 2021.