1. Mixing for time changes of Heisenberg nil flows,;A. Avila;J. of Diff Geometry,2011
2. New examples in smooth ergodic theory,;D. Anosov;Trans. Moscow Math. Soc.,1970
3. Non-compact drft for relative equillibria and relative periodic orbits,;P. Ashwin;Nonlinearity,1997
4. Euclidean extensions of dynamical systems,;P. Ashwin;Nonlinearity,2001
5. Stability and instability in quantum mechanics,;J. Bellisard;Trends and developments in the eighties (Bielefeld,1982