1. The connected components of Morse-Smale vector fields on two manifolds;Gutiérrez,1977
2. Differential Topology;Hirsch,1976
3. The group of homeomorphisms of a solenoid;Keesling;Trans. Amer. Math. Soc.,1972
4. Stability of C∞-mappings: II. Infinitesimal stability implies stability;Mather;Ann. of Math.,1969
5. Homotopy theory of infinite dimensional manifolds;Palais;Topology,1966