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@article{10_4064_cm_6_1_271_281, author = {J. Whitehead}, title = {On finite cocycles and the sphere theorem}, journal = {Colloquium Mathematicum}, pages = {271--281}, publisher = {mathdoc}, volume = {6}, number = {1}, year = {1958}, doi = {10.4064/cm-6-1-271-281}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-6-1-271-281/} }
J. Whitehead. On finite cocycles and the sphere theorem. Colloquium Mathematicum, Tome 6 (1958) no. 1, pp. 271-281. doi : 10.4064/cm-6-1-271-281. http://geodesic.mathdoc.fr/articles/10.4064/cm-6-1-271-281/
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