1. N. K. Falck and A. C. Hirshfeld, Ann. Phys. (N.Y.) 144, 34 (1982); K. Gavedzki, Phys. Rev. D 26, 3593 (1982); N. P. Landsman and N. Linden, Nucl. Phys. B 365, 121 (1991); S. Tanimura and I. Tsutsui, Mod. Phys. Lett. A 34, 2607 (1995); D. McMullan and I. Tsutsui, Ann. Phys. 237, 269 (1995); G. Kunstatter, Class. Quantum Grav. 9, 1466 (1992).
2. Ya. I. Belopolskaya and Yu. L. Dalecky, Usp. Mat. Nauk 37, 5 (1982); Yu. L. Dalecky, Usp. Mat. Nauk 38, 87 (1983); Ya. I. Belopolskaya and Yu. L. Dalecky, Stochastic Equations and Differential Geometry (Kluwer, Dordrecht, 1990), Mathematics and Its Applications, Soviet Series, Vol. 30.
3. R. Abraham and J. E. Marsden, Foundation of Mechanics (Addison-Wesley, Redwood City, 1985, 2nd ed.).
4. O. A. Khrustalev, A. V. Razumov, and A. Yu. Taranov, Nucl. Phys. B 172, 44 (1980); A. V. Razumov and A. Yu. Taranov, Teor. Mat. Fiz. 52, 34 (1982); A. V. Razumov, Ph.D. Thesis (Protvino, 1991).
5. S. N. Storchak, Preprint No. 96-110, IHEP (Protvino, 1996).