1. Mean-𝐿-stable systems;Auslander, Joseph;Illinois J. Math.,1959
2. An equicontinuity condition in topological dynamics;Baum, John D.;Proc. Amer. Math. Soc.,1961
3. Actualit\'{e}s Scientifiques et Industrielles [Current Scientific and Industrial Topics], No. 858;Bourbaki, N.,1940
4. Distal transformation groups;Ellis, Robert;Pacific J. Math.,1958
5. Homomorphisms of transformation groups;Ellis, Robert;Trans. Amer. Math. Soc.,1960