1. Y. Raitses, N. J. Fisch, J. Ashkenazy, and A. Fruchtman, Plasma Phys. Controlled Fusion, No. 41, A357 (1999).
2. T. V. Chernyshev, A. S. Chekhachev, and A. N. Shramov, Plasma Phys. Rep. 37, 1088 (2011).
3. Yu. A. Kovalenko, T. V. Chernyshev, A. S. Chikhachev, Tech. Phys. 56, 725 (2011).
4. Yu. A. Kovalenko, T. V. Chernyshev, A. S. Chikhachev, Izv. Ross. Akad. Nauk, Ser. Energ., No. 4, 24 (2011).
5. N. Sternberg and V. Godyak, IEEE Trans. Plasma Sci. 35, 1341 (2007).