XU, Z.; JIN, R.; SHEN, B.; ZHU, S. Nystrom Approximation for Sparse Kernel Methods: Theoretical Analysis and Empirical Evaluation. Proceedings of the AAAI Conference on Artificial Intelligence, [S. l.], v. 29, n. 1, 2015. DOI: 10.1609/aaai.v29i1.9626. Disponível em: https://ojs.aaai.org/index.php/AAAI/article/view/9626. Acesso em: 8 aug. 2022.