Ghoussoub, N Self-dual partial differential systems and their variational principles Nassif Ghoussoub - New York London Springer c2009 - xiv, 354 p 25 cm - Springer monographs in mathematics . - Springer monographs in mathematics . Contine bibliografie si index ISBN: 9780387848969 (hbk. : alk. paper) 0387848967 (hbk. : alk. paper) LCCN: 2008938377 Subjects--Topical Terms: Differential equations, PartialVariational principles