Chubanov, Sergei. “On the Complexity of PAC Learning in Hilbert Spaces”. Proceedings of the AAAI Conference on Artificial Intelligence 37, no. 6 (June 26, 2023): 7202-7209. Accessed July 28, 2024. https://ojs.aaai.org/index.php/AAAI/article/view/25878.