WANG, Y. P. .; HU, Y.; SHIEH, C.-T. The partial inverse nodal problem for differential pencils on a finite interval. Tamkang Journal of Mathematics, [S. l.], v. 50, n. 3, p. 307–319, 2019. DOI: 10.5556/j.tkjm.50.2019.3359. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/3359. Acesso em: 29 apr. 2024.