Characteristic spheres of free differentiable actions of 𝑆¹ and 𝑆³ on homotopy spheres

Ku, Hsu-tung; Ku, Mei-chin

doi:10.1090/S0002-9947-1971-0276992-7

Characteristic spheres of free differentiable actions of $S^{1}$ and $S^{3}$ on homotopy spheres
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by Hsu-tung Ku and Mei-chin Ku

Trans. Amer. Math. Soc. 156 (1971), 493-504

DOI: https://doi.org/10.1090/S0002-9947-1971-0276992-7

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References

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