1. L. D. Landau and E. M. Lifshits, Course of Theoretical Physics, Vol. 8: Electrodynamics of Continuous Media (Nauka, Moscow, 1982; Pergamon, Oxford, 1960).
2. N. N. Rozanov and G. B. Sochilin, Usp. Fiz. Nauk 176,421 (2006) [Phys. Usp. 49, 407 (2006)].
3. G. A. Askar’yan, Zh. Éksp. Teor. Fiz. 42, 1360 (1962) [Sov. Phys. JETP 15, 943 (1962)].
4. N. N. Rozanov, Al. S. Kiselev, and An. S. Kiselev, Opt. Spektrosk. 105, 278 (2008) [Opt. Spectrosc. 105, 268 (2008)].
5. A. Einshtein, Collected Works, Vol. 1 (Nauka, Moscow, 1965).