Variational Principles for Differential Equations with Symmetries andConservation Laws I: Second Order Scalar Equations
Document Type
Article
Journal/Book Title/Conference
Mathematische Annalen
Volume
299
Publication Date
1994
First Page
191
Last Page
222
Recommended Citation
Variational Principles for Differential Equations with Symmetries and Conservation Laws I: Second Order Scalar Equations (with J. Pohjan- pelto), Mathematische Annalen, 299 (1994), 191–222.