The Variational Bicomplex for Hyperbolic Second-Order Scalar Partial Differential Equations in the PlaneThe Variational Bicomplex for Second Order Partial Differential Equa-tions in the Plane
Document Type
Article
Journal/Book Title/Conference
Duke Mathematical Journal
Volume
87
Publication Date
1997
First Page
265
Last Page
319
Recommended Citation
The Variational Bicomplex for Second Order Partial Differential Equa- tions in the Plane (with N. Kamran), Duke J. Math 87 (1997) 265–319.