Queeney, J., I. C. Paschalidis, and C. G. Cassandras. “Uncertainty-Aware Policy Optimization: A Robust, Adaptive Trust Region Approach”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 35, no. 11, May 2021, pp. 9377-85, doi:10.1609/aaai.v35i11.17130.