1. Geodesic flows on closed Riemann manifolds with negative curvature;Anosov;Proc. Steklov Inst.,1967
2. Periodic orbits for hyperbolic flows;Bowen;Am. J. Math.,1972
3. The ergodic theory of Axiom A flows;Bowen;Invent. Math.,1975
4. Anosov diffeomorphisms on tori;Franks;Trans. Am. Math. Soc.,1969
5. Anosov maps, polycyclic groups and homology;Hirsch;Topology,1971