1. L. S. Bogdankevich and A. A. Rukhadze, Usp. Fiz. Nauk 103, 609 (1971) [Sov. Phys. Usp. 14, 163 (1971)].
2. A. A. Rukhadze, S. D. Stolbetsov, and V. P. Tarakanov, Radiotekh. Éektron. (Moscow) 37, 385 (1992).
3. B. V. Alyokhin, A. E. Dubinov, V. D. Selemir, et al., IEEE Trans. Plasma Sci. 22, 945 (1994).
4. A. E. Dubinov and V. D. Selemir, Zarubezhn. Radioélektron., No. 4, 54 (1995).
5. Ya. B. Fainberg, in Proceedings of the Conference on Nuclear Research Devoted to the 50th Anniversary of the First Fission Reaction in the USSR (TsNII Atominform, Moscow, 1983), part 1, p. 222.