1. V. V. Bobylev, Candidate's Dissertation in Mathematical Physics (Glavn. Astron. Obs., St. Petersburg, 1995).
2. V. V. Bobylev, Izv. Glavn. Astron. Obs. 210, 243 (1996).
3. V. V. Bobylev, in Proceedings of the IV Meeting of Astronomical Society (Sovrem. Pisatel', Moscow, 1998), p. 66 [in Russian].
4. V. V. Bobylev, Izv. Glavn. Astron. Obs. 214, 275 (2000).
5. V. V. Bobylev, Pis'ma Astron. Zh. 30, 289 (2004) [Astron. Lett. 30, 159 (2004)].