4Leine RI. The historical development of classical stability concepts: Lagrange, Poisson and Lyapunov stability. Nonlinear Dynamics, 2010, 59(1-2): 173-182.
5中国大百科全书-力学卷.北京:中国大百科全书出版社,1985.
6Lamb H. Statics. 3rd ed. Cambridge: Cambridge Univ. Press, 1949.
7茹科夫斯基HE.理论力学(下).北京:高等教育出版社,1957.
8Poston T, Stewart I. Catastrophe Theory and its Applications. Pitman, London: 1978.
