ČATRNJA, E. .; PIKULA, M. . An Inverse Problem for Sturm-Liouville Type Differential Equation With a Constant Delay. Sarajevo Journal of Mathematics, [S. l.], v. 13, n. 2, p. 197–205, 2018. Disponível em: https://sjm.anubih.ba/index.php/sjm/article/view/96. Acesso em: 15 oct. 2024.