1. Cartan, H.: 1966,Elementare Theorien der Analytischen Funktionen einer oder mehrerer Komplexen Veränderlichen, Bibli. Inst., Mannheim.
2. Field, M.J.: 1974, ?Holomorphic function theory and complex manifolds? inGlobal Analysis and its Applications, vol.I, Intern. Atomic Energy Agency, Vienna, pp. 83?134.
3. Hagihara, Y.: 1971,Celestial Mechanics, vol. II, part I, M.I.T.Press, Cambridge.
4. Laskar, J.: 1988, ?Secular evolution of the Solar system over 10 million years?,Astron. Astrophys 198, 341?362.
5. Lemaître, A. and Henrard, J.: 1988, ?The 3/2 resonance?,Celestial Mechanics 43, 91?98.