Handbook of Convex Geometry 
Subtitle: Two-Volume Set
Contributors: Josephine M. Wills (Editor)
Publisher: North Holland
Published: August 1, 1993
Language: eng
Number of pages: 2
ISBN-13: 9780444895981
First sentence: We begin with three characteristic properties of closed convex sets in Euclidean spaces: they have a supporting hyperplane at each boundary point, they are locally convex, and they possess a nearest point map.