Jahn Johannes Introduction to the theory of non-linear optimization Jahn Johannes - Ed. 3 - New York Springer 2007 - x, 292 p cm. ISBN: 9783540493785 3787.27 Source: 7130, 09/10/2007, Elite Publisher Distributors General Book Subjects--Topical Terms: Economics Dewey Class. No.: B7:3, P7