TY - JOUR AU - Karsten Grove AU - Wolfgang Ziller TI - Curvature and symmetry of Milnor spheres JO - Annals of mathematics PY - 2000 VL - 152 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AM_2000_152_1_a7/ ID - AM_2000_152_1_a7 ER -