Wang YP, Hu Y, Shieh C-T. The partial inverse nodal problem for differential pencils on a finite interval. Tamkang J. Math. [Internet]. 2019 Sep. 2 [cited 2024 Apr. 29];50(3):307-19. Available from: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/3359