Ibadzadeh, C. G., & Nabiev, I. (2017). Reconstruction of the Sturm – Liouville operator with nonseparated boundary conditions and a spectral parameter in the boundary condition. Ukrains’kyi Matematychnyi Zhurnal, 69(9), 1217-1223. Retrieved from https://umj.imath.kiev.ua/index.php/umj/article/view/1771