Remarques á propos d’un lemme de R. H. Fox, le groupe fondamental d’un revêtement ramifié. (French) Zbl 0359.55004


57M10 Covering spaces and low-dimensional topology
57M05 Fundamental group, presentations, free differential calculus
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[1] [1], Covering spaces with singularities. Algebraic geometry and topology; a symposium in honor of S. Lefschetz, (Ed. by Fox. Spencer. and Tuckey), Princeton 1957, (243-257). · Zbl 0079.16505
[2] [2], Chicago lectures notes on p. l. topology, Published by Benjamin N. Y., 1969.
[3] [3], Algebraic Topology : An introduction, Harcourt Brace and World Inc., New-York,1967. · Zbl 0153.24901
[4] [4] and , Introduction to Piecevoise-linear topology, Ergebness der Mathematik, 69, Springer Verlag (chapitre 5), 1972. · Zbl 0254.57010
[5] [5], On the connexion between the fundamental groups of some related spaces, Amer. J. Math., 55 (1933), 261-267.
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