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- W. M. Smart£¬ Celestial¡¡Mechanics£¬John Wiley &Sons£¬Glasgow£¬1953.
- E.T.Whittaker£¬ A Treatise¡¡on¡¡the¡¡Analytical Dynamicsof Particles and Rigid Bodies£¬ 4th¡¡ed.£¬Cambridge Univ.Press£¬Cambridge£¬1952.
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