Whitehead 3 is a "Slice" Link.
Freedman, Michael H.
Inventiones mathematicae, Tome 93 (1988), p. 175-182 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1988-01-01
EUDML-ID : urn:eudml:doc:143624 
@article{GDZPPN002105748,
     title = {Whitehead 3 is a "Slice" Link.},
     journal = {Inventiones mathematicae},
     volume = {93},
     year = {1988},
     pages = {175-182},
     zbl = {0678.57002},
     url = {http://dml.mathdoc.fr/item/GDZPPN002105748}
}

Freedman, Michael H. Whitehead 3 is a "Slice" Link.. Inventiones mathematicae, Tome 93 (1988) pp. 175-182. http://gdmltest.u-ga.fr/item/GDZPPN002105748/