YANG, C. Reconstruction of the Sturm-Liouville operators on a graph with $\delta’_s$ couplings. Tamkang Journal of Mathematics, [S. l.], v. 42, n. 3, p. 329–342, 2011. DOI: 10.5556/j.tkjm.42.2011.773. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/773. Acesso em: 22 jul. 2024.