1. V. V. Vikhrev and G. A. Rozanova, Fiz. Plazmy 19, 79 (1993) [Plasma Phys. Rep. 19, 40 (1993)].
2. J. G. Linhart, in Proceedings of Workshop on Plasma Physics, Pichl, 1993, p. 284; J. G. Linhart, in Proceedings of 3rd D Z-Pinch Conference, London, 1993, p. 664; J. G. Linhart, Nuovo Cimento D 16D, 281 (1994).
3. V. V. Neudachin and P. V. Sasorov, Nucl. Fusion 33, 475 (1993).
4. J. G. Linhart, Nuovo Cimento A 106A, 1949 (1993).
5. M. D. Churazov and B. Yu. Sharkov, Fusion Engin. Desing 32–33, 577 (1996).