1. Geodesic flows on closed Riemannian manifolds with negative curvature;Anosov;Proceedings of the Steklov Institute of Math.,1967
2. Some smooth ergodic systems;Anosov;Uspekhi Math. Nauk,1967
3. R. Bowen: Periodic orbits for hyperbolic flows (to appear).
4. Anosov diffeomorphisms;Franks;Proceedings of Symposia in Pure Math.,1970
5. Variétées feuilletées;Haefliger;Ann. Scuola Norm. Sup. Pisa,1962