1. Bowen, R., Equilibrium States and the Ergodic Theory of Anosov Diffeomorphisms, Springer Lecture Notes in Mathematics, 470.
2. Guckenheimer, J., A Strange, Strange Attractor in Marsden, McCracken, The Hopf Bifurcation and Applications, Applied Mathematical Sciences 19, Springer Verlag, 1976.
3. Hirsch, M., Pugh, C., The Stable Manifold Theorem, Global Analysis, Proceedings Symposia in Pure Mathematics, vol. 14, American Math. Soc., 1970.
4. Hirsch, M., Pugh, C., Shub, M., Invariant Manifolds (to appear).
5. Hirsch, M., Palis, J., Pugh, C., Shub, M., Neighborhoods of Hyperbolic Sets, Inventiones Math. 9, 121–134 (1970).