TY - JOUR AU - Selman Akbulut TI - Cappell-Shaneson homotopy spheres are standard JO - Annals of mathematics PY - 2010 SP - 2171 EP - 2175 VL - 171 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4007/annals.2010.171.2171/ DO - 10.4007/annals.2010.171.2171 LA - en ID - 10_4007_annals_2010_171_2171 ER -