Rodriguez Diaz, P. et al. 2023. Flexible Budgets in Restless Bandits: A Primal-Dual Algorithm for Efficient Budget Allocation. Proceedings of the AAAI Conference on Artificial Intelligence. 37, 10 (Jun. 2023), 12103–12111. DOI:https://doi.org/10.1609/aaai.v37i10.26427.