[1]
M. Thumm, “Modes and Mode Conversion in Microwave Devices”, in Generation
and Application of High Power Microwaves, edited by R.A. Cairns and A.D.R.
Phelps, Eds. Bristol, U.K.: IOP, 1996, pp.121–171.

[2]
Yu. Bykov, A. Eremeev, M. Glyavin, V. Kholoptsev, A. Luchinin, I. Plotnikov,
G. Denisov, A. Bogdashev, G. Kalynova, V. Semenov and N. Zharova, “24-84-GHz
Gyrotron Systems for Technological Microwave Applications”, // *IEEE
Trans.Plasma Science*, vol. 32, no. 1, pp. 67-72, Jan. 2004.

[3]
A.P. Gashturi, A.V. Chirkov, G.G. Denisov, A.B. Paveliev, “Comparison of
Different Methods for Calculating Gyrotron Quasi-Optical Mode Converters” //*
Journal of Infrared, Millimeter, and Terahertz Waves*, Vol. 34, No. 1, pp.
62-70, (2013).

[4]
Jin J.; Thumm, M., Piosczyk, B., Kern, S., Flamm, J., Rzesnicki, T.,
Novel Numerical Method for the Analysis and Synthesis of the Fields in Highly
Oversized Waveguide Mode Converters, // *IEEE Transactions on
Microwave Theory and Techniques*, 2009,
Volume: 57, Issue: 7, pp. 1661 – 1668.

[5]
J. Robinson, Y. Rahmat-Samii, “Particle swarm optimization in
electromagnetics” // *IEEE Trans. Antennas and Propagation*, vol. 52, no.
2, pp. 397-407, Feb. 2004.

[6]
D.I. Sobolev, G.G. Denisov, “Principles of Synthesis of Multimode
Waveguide Units”, // *IEEE Trans.Plasma Science, *Vol. 38 ,no 10, pp. 2825
– 2830, Oct. 2010.

[7]
A.P. Gashturi; D.I. Sobolev; G.G. Denisov, “Synthesis of multimode
waveguide converters using full-wave EFIE field analysis method” 2013 38th
International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz).

[8]
Chew W., Jin J., Michielssen E. and Song J., “Fast and Efficient
Algorithms in Computational Electromagnetics”, Artech House, 2001.

[9]
Coifman R., Rokhlin V., and Wandzuraz S., The Fast Multipole Method for
the Wave Equation: A Pedestrian Prescription, // *IEEE Trans. Antennas Propag*.,
vol. 35, pp. 7-12, June 1993.

[10]
Neilson, J.M.; Bunger, R., Surface integral equation analysis of
quasi-optical launchers // *IEEE Transactions on Plasma Science*, 2002,
Volume: 30, Issue: 3, pp 794 – 799.

[11]
A. P. Gashturi, G. G. Denisov, S. V. Mishakin and S. V. Samsonov,
Calculation and Optimization of 3D Waveguiding System with Help of Integral
Equation Method // *Journal of Infrared, Millimeter and Terahertz Waves*,
30, No. 4, pp 319-327 (2009).

[12] Rao S. M.,
Wilton D. R. and Glisson A. W., Electromagnetic scattering by surface of
arbitrary shape, // *IEEE Trans. Antennas Propag*., vol. 30, pp. 409-418,
May 1982.

[13] G.G. Denisov,
A.N. Kuftin, V.I. Malygin, N.P. Venedictov, D.V. Vinogradov and V.E. Zapevalov,
110 GHz gyrotron with a built-in high-efficiency converter // *Int. J.
Electronics*, 1992, Vol. 72, Nos. 5 and 6, pp. 1079-1091.