Approximating the Gaussian as a Sum of Exponentials and Its Applications to the Fast Gauss Transform. Communications in Computational Physics, [S. l.], v. 31, n. 1, p. 1–26, 2021. DOI: 10.4208/cicp.OA-2021-0031. Disponível em: https://global-sci.com/index.php/cicp/article/view/7022. Acesso em: 6 dec. 2025.