XUE, S.; DU, Y.; XU, L. Tighter Robust Upper Bounds for Options via No-Regret Learning. Proceedings of the AAAI Conference on Artificial Intelligence, [S. l.], v. 37, n. 4, p. 5348-5356, 2023. DOI: 10.1609/aaai.v37i4.25666. Disponível em: https://ojs.aaai.org/index.php/AAAI/article/view/25666. Acesso em: 5 may. 2026.