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References
- 1.Alexander, J. W.: Note on Riemann spaces. Bull. Amer. math. Soc.26, 370–372 (1920)Google Scholar
- 2.Birman, J. S., Hilden, H. M.: The homeomorphism problem forS 3. Bull. Amer. math. Soc.79, 1006–1009 (1973)Google Scholar
- 3.Borel, A.: Seminar on transformation groups. Annals of math. Studies No. 46, Princeton: Princeton University Press 1960Google Scholar
- 4.Fox, R. H.: A note on branched cyclic coverings of spheres. Rev. mat. Hisp.-Amer.32, 158–166 (1972)Google Scholar
- 5.Hilden, H. M.: Every closed orientable 3-manifold is a 3-fold branched covering space ofS 3. Bull. A.M.S.80, 1243–1244 (1974)Google Scholar
- 6.Hirsch, U.: Über offene Abbildungen auf die 3-Sphäre. Preprint Bielefeld (1974). Math. Z.140, 203–230 (1974)Google Scholar
- 7.Montesinos, J. M.: A representation of closed orientable 3-manifolds as 3-fold branched coverings ofS 3. Bull. A.M.S.80, 845–846 (1974)Google Scholar
- 8.Montesinos, J. M.: 3-varietés qui ne sont pas des revêtements cycliques ramifiés surS 3. Preprint, Madrid (1974)Google Scholar
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