Ghoussoub, Nassif. Self-dual partial differential systems and their variational principles [electronic resource] / by Nassif Ghoussoub. - New York, NY : Springer New York, 2009. - xiv, 354 pages : digital. - Springer monographs in mathematics, 1439-7382 . ISBN: 9780387848976 Subjects--Topical Terms: Differential equations, Partial.Variational principles.Functional Analysis.Partial Differential Equations. Dewey Class. No.: 515.353