UMANA ITAKETO. The Development of Discrete Version of Laplace Transformation (Sigma (If) Transformation) Obtained from the Relationship Between Laplace and Fourier Transformations. Global Journal of Science Frontier Research, [S. l.], v. 13, n. F3, p. 47–55, 2013. Disponível em: https://journalofscience.org/index.php/GJSFR/article/view/100451. Acesso em: 19 may. 2024.