DAIRBAYEVA, G. M.; TEMIRBEKOVA, L. N. Numerical analogue of the Gelfand-Levitan on a finite interval. Journal of Mathematics, Mechanics and Computer Science, [S. l.], v. 76, n. 1, p. 60–70, 2013. Disponível em: https://bm.kaznu.kz/index.php/kaznu/article/view/88. Acesso em: 26 sep. 2024.