@article{MAN_1986__274_164121,
     author = {Pei-Kee Lin, Troyanski, S. L. Bor-Luh Lin},
     title = {Some {Geometric} and {Topological} {Properties} of the {Unit} {Sphere} in a {Banach} {Space.}},
     journal = {Mathematische Annalen},
     pages = {613--616},
     publisher = {mathdoc},
     volume = {274},
     year = {1986},
     zbl = {0770.46004},
     url = {http://geodesic.mathdoc.fr/item/MAN_1986__274_164121/}
}