1. G. I. Dimov, in Proceedings of the International Conference on Open Plasma Confinement Systems for Fusion, Novosibirsk, Russia, 1993 (World Scientific, Singapore, 1994), p. 23.
2. T. D. Akhmetov, V. S. Belkin, E. D. Bender, et al., Fiz. Plazmy 23, 988 (1997) [Plasma Phys. Rep. 23, 911 (1997)].
3. J. A. Boedo, D. Rudakov, R. Moyer, et al., Phys. Plasmas 8, 4826 (2001).
4. E. O. Vekshina, P. R. Goncharov, S. V. Shatalin, et al., Pis'ma Zh. Tekh. Fiz. 26(19), 52 (2000) [Tech. Phys. Lett. 26, 873 (2000)].
5. T. D. Rempel, A. F. Almagri, S. Assadi, et al., Phys. Fluids B 4, 2136 (1992).