1. A. D. Bryuno, Tr. MMO 26, 199 (1972).
2. A. D. Bryuno, Restricted Three-Body Problem (Nauka, Moscow, 1990) [in Russian].
3. A. D. Bryuno and A. G. Petrov, Dokl. Phys. 51(10), 555 (2006).
4. V. F. Zhuravlev, Prikl. Mat. Mekh. 66(3), 356 (2002).
5. V. F. Zhuravlev, Fundamentals of Theoretical Mechanics (Nauka, Fizmatlit, Moscow, 1997) [in Russian].