1. When Is a Transitive Map Chaotic?;Akin,1996
2. Operator methods in classical mechanics, II;Halmos;Ann. Math. (2),1942
3. On dynamical systems with a purely point spectrum;Fomin;Dokl. Akad. Nauk SSSR,1951
4. Mean-L-stable systems;Auslander;Ill. J. Math.,1959
5. Ergodic sets;Oxtoby;Bull. Am. Math. Soc.,1952