AMIROV, R. Kh.; KESKIN, B.; ÖZKAN, G. Direct and inverse problems for the Dirac operator with a spectral parameter linearly contained in a boundary condition. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 61, n. 9, p. 1155–1166, 2009. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3088. Acesso em: 14 apr. 2025.