1. Hilbert space is homeomorphic to the countable infinite product of lines;Anderson;Bull. Amer. Math. Soc.,1966
2. Every infinite dimensional Hilbert space is diffeomorphic with its unit sphere;Bessaga;Bull. Acad. Polon. Sci., Sér. Sci. Math., Astron. et Phys.,1966
3. Eine Bemerkung über die Räume vom Typus (F);Eidelheit;Studia Math.,1938
4. Micro-bundles with infinite dimensional fibers are trivial;Henderson;Inventiones Math.,1970
5. Stable-classification of infinite-dimensional manifolds by homotopy type;Henderson;Inventiones Math.,1971