Ermakov's superintegrable toy and nonlocal symmetries.
Leach, P.G.L., Karasu, A., Nucci, M.C., Andriopoulos, K. (2005)
SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]
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Displaying similar documents to “On the Virasoro structure of symmetry algebras of nonlinear partial differential equations.”
Ermakov's superintegrable toy and nonlocal symmetries.
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