The results show that the stability analysis theorem is consistent with the Liapunov stability theorem for linear systems.
结果表明：该分析定理与线性系统的李雅普诺夫稳定性定理是一致的。
2
Solutions for a class of third order nonlinear differential equations are studied by using the Leray Schauder fixed point theorem and the method of Liapunov function.