Geodesic
Smooth spheres in IR4 with four critical points are standard.
Inventiones mathematicae, Tome 79 (1985), pp. 125-142.

Voir la notice de l'article provenant de la source European Digital Mathematics Library

Mots-clés : knotted 2-spheres, band-sum of knots, knots in the 3-sphere, planar surfaces embedded in general position in a 3-manifold, planar graphs 
@article{IM_1985__79_143188,
     author = {Martin Scharlemann},
     title = {Smooth spheres in {IR4} with four critical points are standard.},
     journal = {Inventiones mathematicae},
     pages = {125--142},
     publisher = {mathdoc},
     volume = {79},
     year = {1985},
     zbl = {0559.57019},
     url = {http://geodesic.mathdoc.fr/item/IM_1985__79_143188/}
}
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EP  - 142
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PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM_1985__79_143188/
ID  - IM_1985__79_143188
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%0 Journal Article
%A Martin Scharlemann
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%J Inventiones mathematicae
%D 1985
%P 125-142
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%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM_1985__79_143188/
%F IM_1985__79_143188
Martin Scharlemann. Smooth spheres in IR4 with four critical points are standard.. Inventiones mathematicae, Tome 79 (1985), pp. 125-142. http://geodesic.mathdoc.fr/item/IM_1985__79_143188/