| 
 | 
 | 
The Bifurcation of a Fixed Point to a Limit Cycle (Tabor 1989).
References
Guckenheimer, J. and Holmes, P.  Nonlinear Oscillations, Dynamical Systems, and Bifurcations of Vector Fields, 3rd ed.
  New York: Springer-Verlag, pp. 150-154, 1997.
 
Marsden, J. and McCracken, M.  Hopf Bifurcation and Its Applications.  New York: Springer-Verlag, 1976.
 
Tabor, M.  Chaos and Integrability in Nonlinear Dynamics: An Introduction.  New York: Wiley,  p. 197, 1989.