KÜRKÇÜ, Ömür K.; SEZER, M. Charlier Series Solutions of Systems of First Order Delay Differential Equations with Proportional and Constant Arguments. Scientific Research Communications, [S. l.], v. 2, n. 1, 2022. DOI: 10.52460/src.2022.004. Disponível em: https://scientificrc.org/index.php/src/article/view/37. Acesso em: 4 may. 2024.