Convex analysis and variational problems / Ivar Ekeland, Roger Temam. Analyse convexe et problèmes variationnels. English Ekeland, I. (Ivar), 1944- Temam, Roger, joint author. Mathematical optimization. Convex functions. Calculus of variations. QA402.5 .E3813 515.64 E36c Translation of Analyse convexe et problèmes variationnels. Includes index. Bibliography: p.391-401. Amsterdam : North-Holland Pub. Co. ; New York : distributors for the U.S.A., American Elsevier Pub. Co., 1976. 1976. 1976 Text ix, 402 p. ; eng engfre Studies in mathematics and its applications ; v. 1