Aliyev, Nihan A., Mahir A. Rasulov, and Si̇nsoysal Bahaddin. “Uniqueness of the Adjoint Problem in the Lagrange Sense for a Non-Local Boundary Problem With Complex Parameter”. Contemporary Mathematics 6, no. 3 (May 16, 2025): 3105–3116. Accessed December 18, 2025. https://ojs.wiserpub.com/index.php/CM/article/view/5984.