Geodesic
Smooth knots in a manifold with a contractible of spherical universal covering
Trudy Matematicheskogo Instituta imeni V.A. Steklova, Tome 28 (1973) no. 6 
S. G. Smirnov. Smooth knots in a manifold with a contractible of spherical universal covering. Trudy Matematicheskogo Instituta imeni V.A. Steklova, Tome 28 (1973) no. 6. http://geodesic.mathdoc.fr/item/RM_1973_28_6_a23/
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     author = {S. G. Smirnov},
     title = {Smooth knots in a~manifold with a~contractible of spherical universal covering},
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     number = {6},
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     url = {http://geodesic.mathdoc.fr/item/RM_1973_28_6_a23/}
}
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Voir la notice de l'article provenant de la source Math-Net.Ru

[1] A. Haefliger, “Differentiable embeddings of $S^n$ in $S^{n+q}$ for $q>2$”, Ann. Math., 83:3 (1966), 402–436 | DOI | MR | Zbl

[2] A. Haefliger, “Enlacements de spheres en codimensions supérieure à 2”, Comment. Math. Helv., 41:1 (1966), 51–72 | DOI | MR | Zbl

[3] E. G. Zeeman, Seminar on combinatorial topology, no. 8, Coventry, 1966