[1]
D. V. Puyda, “On inverse spectral problems for self-adjoint Dirac operators with general boundary conditions”, MFAT, vol. 19, no. 4, pp. 346–363, Dec. 2013, Accessed: Dec. 16, 2025. [Online]. Available: https://zen.imath.kiev.ua/index.php/mfat/article/view/558