TEAM, S. Analytic Solutions of a Second-Order Functional Differential Equation: Seksan Pengpit, Theeradach Kaewong, Konvika Kongkul. Thai Journal of Mathematics, [S. l.], v. 8, n. 3, p. 491–502, 2010. Disponível em: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/217. Acesso em: 3 may. 2024.