1. Transversal Mappings and Flows;Abraham,1967
2. Geodesic flows on closed Riemannian manifolds of negative curvature;Anosov,1967
3. C. Camacho and R. Mañé, Stability theorems for flows on open two dimensional manifolds.
4. Structural stability of diffeomorphisms on two-manifolds;de Melo;Invent. Math.,1973
5. Foundations of Modern Analysis;Dieudonné,1960