1. Instability of dynamical systems with several degrees of freedom;Arnold;Soviet Mathematics,1964
2. Persistence of stratifications of normally expanded laminations;Berger;Comptes Rendus de l’Acadademie de Sciences Paris, Serie I,2008
3. Homoclinic orbits in families of hypersurfaces with hyperbolic periodic orbits;Bernard;Journal of Differential Equations,2002
4. J. Buzzi, T. Fisher, Intrinsic ergodicity for certain nonhyperbolic robustly transitive systems, arXiv:0903.3692v3, http://arxiv.org/pdf/0903.3692v3.pdf.
5. Applications of Center Manifolds Theory;Carr,1981