%0 Journal Article %A Pei-Kee Lin, Troyanski, S. L. Bor-Luh Lin %T Some Geometric and Topological Properties of the Unit Sphere in a Banach Space. %J Mathematische Annalen %D 1986 %P 613-616 %V 274 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1986__274_164121/ %F MAN_1986__274_164121