1. L. S. Solov’ev and V. D. Shafranov, in Reviews of Plasma Physics, Ed. by M. A. Leontovich (Consultants Bureau, NY, 1966), vol. 5, p.1.
2. A. I. Morozov and L. S. Solov’ev, in Reviews of Plasma Physics, Ed. by M. A. Leontovich (Consultants Bureau, NY, 1966), vol. 2, p.201.
3. V. I. Ilgisonis, Phys. Usp. 52, 746 (2009).
4. V. I. Ilgisonis, V. P. Lakhin, A. I. Smolyakov, and E. A. Sorokina, Plasma Phys. Control. Fusion 53, 065008 (2011).
5. A. D. Aleksandrov, Vestn. Leningr. Univ., Ser. Mat., Mekh., Astron. 19, 5 (1959).