Niculescu Constantin P Convex functions and their applications A contemp Niculescu Constantin P; Persson Lars-Erik - New York Springer-Science 2006 - 255p cm. - CMS Book in Mathematic . Bibliography: P 241-250 ISBN: 10:0387243003 Source: General Book Subjects--Topical Terms: Economics IRT Mathematical Analysis Dewey Class. No.: X:(B3), P6