Kai Wang, Murat Sat, Xin-Jian Xu, Ran Zhang, “Completeness Theorems for Impulsive Dirac Operator with Discontinuity”, Axioms, 14:10 (2025), 752
E. Dzh. Ibadov, Дифференциальные уравнения, 59:10 (2023), 1299; E. C. Ibadov, “On the Properties of the Root Vector Function Systems of a $2m $th-Order Dirac Type Operator with an Integrable Potential”, Diff Equat, 59:10 (2023), 1295
Allahverdiev B.P., “Spectral Analysis of Singular Hamiltonian Systems With An Eigenparameter in the Boundary Condition”, Electron. J. Differ. Equ., 2019, 02
Kurbanov V.M., Abdullayeva A.M., “Bessel Property and Basicity of the System of Root Vector-Functions of Dirac Operator With Summable Coefficient”, Oper. Matrices, 12:4 (2018), 943–954
Gesztesy F. Holden H., “The Damped String Problem Revisited”, J. Differ. Equ., 251:4-5 (2011), 1086–1127
Djakov P., Mityagin B., “Bari-Markus property for Riesz projections of 1D periodic Dirac operators”, Math. Nachr., 283:3 (2010), 443–462
Hassi S., Oridoroga L., “Theorem of completeness for a Dirac-type operator with generalized $\lambda$-depending boundary conditions”, Integral Equations Operator Theory, 64:3 (2009), 357–379
