1. L. V. Grunskaya, D. V. Isakevich, and V. V. Isakevich, Space, Time, and Fundamental Interactions (Profil, Moscow, 2014), No. 2, p. 54 [in Russian].
2. A. B. Balakin and L. V. Grunskaya, Rep. Math. Phys. 71, 45 (2013).
3. D. Bocaletti, V. De Sabatta, P. Fortini, and C. Gualdi, Nuovo Cim. 70, 129 (1970).
4. V. L. Ginzburg and V. N. Tsitovich, Transition Radiation and Transition Scattering (Nauka, Moscow, 1984; Adam Higler, Bristol, 1990).
5. W.-T. Ni, A. B. Balakin, and H.-H. Mei, Proceedings of a Conference in Honour of Murray Gell-Mann’s 80th Birthday (World Scientific, Singapore, 2011), p.526.