1. V. A. Astapenko, N. N. Nasonov, and P. Zhukova, J. Phys. B: At., Mol., Opt. Phys. 40, 1 (2007).
2. M. Amus’ia, V. Buimistrov, B. Zon, et al., Polarization Bremsstrahlung of Particles (Plenum Press, New York, 1992).
3. L. D. Landau and E. M. Lifshitz, Course of Theoretical Physics, Vol. 3: Quantum Mechanics: Non-Relativistic Theory (Nauka, Moscow, 1989, 4th ed.; Pergamon, New York, 1977, 3rd ed.).
4. W. K. H. Panofsky and M. Phillips, Classical Electricity and Magnetism (Addison-Wesley, Reading, MA, 1962; Fizmatlit, Moscow, 1963).
5. L. D. Landau and E. M. Lifshitz, Course of Theoretical Physics, Vol. 2: The Classical Theory of Fields (Nauka, Moscow, 1988; Pergamon, Oxford, 1975).