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Symmetries, conservation laws and variational principles. (English) Zbl 0368.49019

Geom. Topol., III. Lat. Am. Sch. Math., Proc., Rio de Janeiro 1976, Lect. Notes Math. 597, 581-604 (1977).

MSC:

49S05 Variational principles of physics
58A10 Differential forms in global analysis
49Q99 Manifolds and measure-geometric topics
58A15 Exterior differential systems (Cartan theory)