Submitted by admin on Fri, 2012-05-04 11:43 Author: Phillip A. GriffithsLast Name: Griffiths AttachmentSize deformationa1.48 MB JournalJournal: Mathematische Annalen Volume: 155Year: 1964Pages: 292-315 Type: articleKeywords: exterior differential systemsIAS: Phillip A. GriffithsSchool of Mathematics: Math ‹ Exterior differential systems and Euler-Lagrange partial differential equations up On the theory of variation of structures defined by transitive, continuous pseudogroups › Printer-friendly version