Yang, Long, Qian Zheng, and Gang Pan. “Sample Complexity of Policy Gradient Finding Second-Order Stationary Points”. Proceedings of the AAAI Conference on Artificial Intelligence 35, no. 12 (May 18, 2021): 10630-10638. Accessed April 18, 2024. https://ojs.aaai.org/index.php/AAAI/article/view/17271.