1. Schmutzer, E. (1968). Relativistische Physik (Klassische Theorie) (B. G. Teubner Verlagsgesellschaft, Leipzig).
2. Manoff, S. (1999). Particles and Nuclei. [Russian Edition: 30, 1211], [English Edition: 30, 527].
3. Manoff, S. (1996). Intern. J. Mod. Phys. A
11, 3849.
4. Kleinert, H. (1995). Path Integrals in Quantum Mechanics. Statistics and Polymer Physics. Second ed. (World Scientific, Singapore).
5. Fiziev, P., and Kleinert, H. (1995). E-print, hep-th/9503075.