Dacorogna, Bernard, 1953- Direct methods in the calculus of variations [Book] / Bernard Dacorogna. - 2nd ed. - New York, NY : Springer, c2008. - xii, 619 p. : ill. ; 25 cm. - Applied mathematical sciences ; v. 78 . All. ISBN: 9780387552491 (e-ISBN) 9780387357799 (acid-free paper) Subjects--Topical Terms: Calculus of variations. Dewey Class. No.: 515.64