方程(t)=-x^3(t-1)-x(t-1)周期解的结构

The Structure of Periodic Solution of the Equation (t)=-x~ 3(t-1)-x(t-1)

给出方程x· (t) =-x3(t -1) -x(t -1)

This paper gives the structure of periodic solution of the equation x·(t)= -x 3(t-1)-x(t-1)