Delfour, Michel C. , Shapes and geometries : metrics, analysis, differential calculus, and optimization / M. C. Delfour, J.-P. Zolésio. - 2nd ed. - xxiii, 622 pages : illustrations ; 26 cm. - Advances in design and control ; DC22 . ISBN: 9780898719369 0898719364 Subjects--Topical Terms: Shape theory (Topology). LC Class. No.: QA612.7 / .D44 2011