1. Abalakin, V. K.,et al.: 1971,Reference Handbook for Celestial Mechanics and Astrodynamics, Moscow (in Russian).
2. Breakwell, J. V. and Perko, L. M.: 1974.Celest. Mech. 9, 437?450.
3. Bruno, A. D.: 1972, Researches on the Restricted Three Body Problem: II. Periodic Solutions and Arcs for ?=0?, Preprint No. 75, Institute of Applied Mathematics, Academy of Sciences, U.S.S.R., Moscow. English translation inCelest. Mech. 18, 9?50 (1978).
4. Bruno, A. D.: 1973, ?Researches on the Restricted Three Body Problem: III Properties of the Solutions for ?=0?, Preprint No. 25, Institute of Applied Mathematics, Academy of Sciences U.S.S.R., Moscow. English translation inCelest. Mech. 18, 51?101 (1978).
5. Bruno, A. D.: 1979,Local Method of Nonlinear Analysis of Differential Equations, Moscow (in Russian).