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L’auteur tient à remercier vivement MM. les professeursB. Eckmann etP. J. Hilton pour leurs suggestions enrichissantes au cours de la rédaction de ce travail.
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Sigrist, F. Groupes d’homotopie des variétés de Stiefel complexes. Commentarii Mathematici Helvetici 43, 121–131 (1968). https://doi.org/10.1007/BF02564384
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DOI: https://doi.org/10.1007/BF02564384