1. On periodic points;Artin;Ann. Math.,1965
2. Foundations of Algebraic Topology
3. Elementary differential topology;Munkres;Ann. Math. Stud.,1963
4. Differential dynamical systems I;Smale;Mimeographed notes,1966
5. Über Topologisch Homogene Kontinua;van Danzig;Fundam. Math.,1930