HARUTYUNYAN, T. The eigenvalues’ function of the family of Sturm-Liouville operators and the inverse problems: . Tamkang Journal of Mathematics, [S. l.], v. 50, n. 3, p. 233–252, 2019. DOI: 10.5556/j.tkjm.50.2019.3352. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/3352. Acesso em: 8 may. 2024.