1. Joannopoulos, J. D., S. G. Johnson, J. N. Winn, and R. D. Meade, Photonic Crystals Molding the Flow of Light, Princeton Univ. Press, 2008.
2. Lourtioz, J.-M., H. Bensty, V. Berger, J. M. Gerard, D. Maystre, and A. Tchelnokov, Photonic Crystals: Towards Nanoscale Photonic Devices, Springer, 2005.
3. Johnson, S. G. and J. D. Joannopoulos, "Block-iterative frequency-domain methods for Maxwell’s equations in a planewave basis," Optics Express, Vol. 8, No. 3, 173-190, 2001.
doi:10.1364/OE.8.000173
4. Velychko, L. G., Y. K. Sirenko, and O. S. Velychko, "Time-domain analysis of open resonators. Analytical grounds," Progress In Electromagnetics Research, Vol. 61, 1-26, 2006.
doi:10.2528/PIER06020701
5. Sirenko, Y. K., S. Strom, and N. P. Yashina, Modeling and Analysis of Transient Processes in Open Resonant Structures. New Methods and Techniques, Springer, 2007.
6. Velychko, L. G. and Y. K. Sirenko, "Controlled changes in spectra of open quasi-optical resonators," Progress In Electromagnetics Research B, Vol. 16, 85-105, 2009.
doi:10.2528/PIERB09060202
7. Kravchenko, V. F., Y. K. Sirenko, and K. Y. Sirenko, Electromagnetic Wave Transformation and Radiation by the Open Resonant Structures. Modelling and Analysis of Transient and Steady-State Processes, Fizmathlit, 2011.
8. Vaynikko, G. M. and O. O. Karma, "On rapidity of convergence of approximate methods in problem of eigenvalues with nonlinear occurrence of parameter," Zhurnal Vychislitelnoy Matematiki I Matematicheskoy Fiziki, Vol. 14, No. 6, 1393-1408, 1974.
9. Hokhberg, I. Z. and M. G. Krein, Introduction into the Theory of Linear not Self-Adjoint Operators, Nauka, 1965.
10. Hutson, V. C. L. and J. S. Pym, Applications of Functional Analysis and Operator Theory, Academic Press, 1980.
11. Titchmarsh, E. C., Eigenfunction Expansions Associated with Second-Order Differential Equations, Clarendon Press, 1958.
12. Shestopalov, V. P. and Y. K. Sirenko, Dynamic Theory of Gratings, Naukova Dumka, 1989.
13. Keldysh, M. V., "On the completeness of eigenfunctions of some classes of non-selfadjoint linear operators," Russian Mathematical Surveys, Vol. 26, No. 4, 15-44, 1971.
doi:10.1070/RM1971v026n04ABEH003985
14. Hokhberg, I. Z. and Y. I. Seagul, "Operator generalization of the theorem about logarithmic residue and the Rouche theorem," Matematicheckiy Sbornik, Vol. 84, No. 4, 607-629, 1971.
15. Reed, M. and B. Simon, Methods of Mathematical Physics. IV: Analysis of Operators, Academic Press, 1978.
16. Hardy, G. H., J. E. Littlewood, and G. Polya, Inequalities, Cambridge University Press, 1934.
17. Shestopalov, V. P., A. A. Kirilenko, and S. A. Masalov, Matrix Convolution-Type Equations in the Diffraction Theory, Naukova Dumka, 1984.