Borwein, Jonathan M. Convex analysis and nonlinear optimization : theory and examples / Jonathan M. Borwein, Adrian S. Lewis - 2nd ed. - New York : Springer, 2006 - 310 p. : ill. ; 25 cm. - CMS books in mathematics 3 . ISBN: 0387295704 Subjects--Topical Terms: Convex functionsMathematical optimizationNonlinear theories