Variational principles for differential equations with symmetries and conservation laws. I. Second order scalar equations.
Anderson, Ian M. ; Pohjanpelto, Juha
Mathematische Annalen, Tome 300 (1994), p. 191-222 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1994-01-01
EUDML-ID : urn:eudml:doc:165205 
@article{GDZPPN002339412,
     title = {Variational principles for differential equations with symmetries and conservation laws. I. Second order scalar equations.},
     journal = {Mathematische Annalen},
     volume = {300},
     year = {1994},
     pages = {191-222},
     zbl = {0804.49030},
     url = {http://dml.mathdoc.fr/item/GDZPPN002339412}
}

Anderson, Ian M.; Pohjanpelto, Juha. Variational principles for differential equations with symmetries and conservation laws. I. Second order scalar equations.. Mathematische Annalen, Tome 300 (1994) pp. 191-222. http://gdmltest.u-ga.fr/item/GDZPPN002339412/