RT Journal Article T1 Global characterization of variational first-order quasi-linear equations. A1 Muñoz Masqué, Jaime A1 Pozo Coronado, Luis Miguel AB The global inverse problem of the calculus of variations for the particular case of first-order quasi-linear PDEs is solved. Some examples in the field theory are discussed. PB Elsevier SN 0034-4877 YR 2005 FD 2005 LK https://hdl.handle.net/20.500.14352/50240 UL https://hdl.handle.net/20.500.14352/50240 LA eng NO Ministerio de Educaci6n y Ciencia of Spain DS Docta Complutense RD 8 abr 2025