%0 Journal Article %A Selman Akbulut %T Cappell-Shaneson homotopy spheres are standard %J Annals of mathematics %D 2010 %P 2171-2175 %V 171 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4007/annals.2010.171.2171/ %R 10.4007/annals.2010.171.2171 %G en %F 10_4007_annals_2010_171_2171