1. N. W. Ashcroft and N. D. Mermin, Solid State Physics (Holt, Rinehart and Winston, New York, 1976; Mir, Moscow, 1979).
2. N. M. Bakhareva and V. Yu. Trakhtengerts, Fiz. Plazmy 9, 1027 (1983) [Sov. J. Plasma Phys. 9, 599 (1983)].
3. P. A. Bespalov and V.G. Efremova, Planet. Space Sci. 41, 785 (1993).
4. P. A. Bespalov and O. N. Savina, Pis’ma Astron. Zh. 32, 460 (2006) [Astron. Lett. 32, 413 (2006)].
5. P. A. Bespalov and V. Yu. Trakhtengerts, Zh. Éksp. Teor. Fiz. 67, 969 (1974) [Sov. Phys. JETP 40, 480 (1974)].