ZHANG, Heng; YING, Mingsheng. Decidable Fragments of First-Order Language Under Stable Model Semantics and Circumscription. Proceedings of the AAAI Conference on Artificial Intelligence, [S. l.], v. 24, n. 1, p. 375–380, 2010. DOI: 10.1609/aaai.v24i1.7590. Disponível em: https://ojs.aaai.org/index.php/AAAI/article/view/7590. Acesso em: 31 may. 2026.