1. Burghelea, D., Kuiper, N. H.: Hilbert manifolds. Annals of Math.90 (2), 379?417 (1969).
2. Homma, T., Kinoshita, S.: On a topological characterization of the dilatation inE 3. Osaka Math. J.6, 135?144 (1954).
3. ?? On homeomorphisms which are regular except for a finite number of points. Osaka Math. J.7, 29?38 (1955).
4. Husch, L. S.: A topological characterization of the dilation inE n (to appear).
5. Kerékjártó, B. v.: Topologische Charakterisierungen der linearen Abbildungen. Acta Litt. ac. Sci. Szeged6, 235?262 (1934).