1. L. D. Landau and E. M. Lifshitz, Theoretical Physics [in Russian], Vol. 2, Field Theory, Moscow, Nauka (2001); English transl. prev. ed.: The Classical Theory of Fields, Pergamon, Oxford (1975).
2. A. A. Logunov and M. A. Mestvirishvili, Phys. Part. Nucl., 40, 67–70 (2009).
3. A. A. Logunov, Relativistic Theory of Gravitation [in Russian], Nauka, Mocsow (2011).
4. V. A. Fock, The Theory of Space, Time, and Gravitation [in Russian], Fizmatlit, Moscow (1961); English transl., Pergamon, Oxford (1963). 556–562