P. Rodriguez Diaz, J. A. Killian, L. Xu, A. S. Suggala, A. Taneja, and M. Tambe, “Flexible Budgets in Restless Bandits: A Primal-Dual Algorithm for Efficient Budget Allocation”, AAAI, vol. 37, no. 10, pp. 12103-12111, Jun. 2023.