Geodesic
Infinite conservation laws for differential systems
Teoretičeskaâ i matematičeskaâ fizika, Tome 160 (2009) no. 1, pp. 202-210

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We study Lagrangian systems of partial differential equations admitting infinite-dimensional symmetry algebras parameterized by arbitrary functions of dependent variables. We show that these systems have infinite sets of essential conservation laws.
Keywords: infinite symmetry, conservation law. 
@article{TMF_2009_160_1_a18,
     author = {V. Rosenhaus},
     title = {Infinite conservation laws for differential systems},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {202--210},
     publisher = {mathdoc},
     volume = {160},
     number = {1},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2009_160_1_a18/}
}
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V. Rosenhaus. Infinite conservation laws for differential systems. Teoretičeskaâ i matematičeskaâ fizika, Tome 160 (2009) no. 1, pp. 202-210. http://geodesic.mathdoc.fr/item/TMF_2009_160_1_a18/