ISBN 0521850053 books & textbook
Convex Functions: Constructions, Characterizations and Counterexamples (Encyclopedia of Mathematics and its Applications, Series Number 109)
Borwein, Jonathan M. Vanderwerff, Jon D.
Cambridge University Press /2010-01-25 Hardcover / 532 Pages
isbn-10: 0521850053 / isbn-13: 9780521850056
