IBADZADEH, Ch. G.,; NABIEV, I.M. Reconstruction of the Sturm – Liouville operator with nonseparated boundary conditions and a spectral parameter in the boundary condition. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 69, n. 9, p. 1217–1223, 2017. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1771. Acesso em: 7 apr. 2025.