1. The Hopf Bifurcation and Its Applications;Marsden,1976
2. Nonlinear Oscillations, Dynamical Systems and Bifurcations of Vector Fields;Guckenheimer,1983
3. Applications of Centre Manifold Theory;Carr,1981
4. Perturbation Methods, Bifurcation Theory and Computer Algebra;Rand,1987
5. Computer Algebra in Applied Mathematics: An Introduction to MACSYMA;Rand,1984