On the structure of certain semi-groups of spherical knot classes
Mazur, Barry
Publications Mathématiques de l'IHÉS, Tome 3 (1959), p. 19-27 / Harvested from Numdam
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@article{PMIHES_1959__3__19_0,
     author = {Mazur, Barry},
     title = {On the structure of certain semi-groups of spherical knot classes},
     journal = {Publications Math\'ematiques de l'IH\'ES},
     volume = {3},
     year = {1959},
     pages = {19-27},
     mrnumber = {116347},
     zbl = {0119.38703},
     language = {en},
     url = {http://dml.mathdoc.fr/item/PMIHES_1959__3__19_0}
}

Mazur, Barry. On the structure of certain semi-groups of spherical knot classes. Publications Mathématiques de l'IHÉS, Tome 3 (1959) pp. 19-27. http://gdmltest.u-ga.fr/item/PMIHES_1959__3__19_0/

[1] B. Mazur, On Imbeddings of Spheres, Acta Mathematica (to appear). | Zbl 0096.37904

[2] V. K. A. M. Guggenheim, Piece wise Linear Isotopy, Journal of the London Math. Soc., vol. 46.