1. D. W. Coopman, Phys. Fluids 14, 1707 (1971).
2. V. M. Antonov, V. P. Bashurin, A. I. Golubev, et al., Prikl. Mekh. Tekh. Fiz., No. 6, 6 (1985).
3. V. M. Antonov, V. P. Bashurin, A. I. Golubev, et al., Dokl. Akad. Nauk SSSR 289, 72 (1986) [Sov. Phys. Doklady 31, 549 (1986)].
4. Yu. P. Zakharov, A. M. Orishich, A. G. Ponomarenko, and V. G. Posukh, Fiz. Plazmy 12, 1170 (1986) [Sov. J. Plasma Phys. 12, 674 (1986)].
5. Yu. P. Zakharov, A. M. Orishich, A. G. Ponomarenko, and V. G. Posukh, Fiz. Plazmy 14, 203 (1988) [Sov. J. Plasma Phys. 14, 114 (1988)].