Explicit Solutions to the Kaup-kupershmidt equation via Nonlocal Symmetries. - Enrique G. Reyes; Guillermo Sanchez (Int. J. Bifurc. Chaos, 2007)

On Equation Manifolds, the Vinogradov Spectral Sequence, and Related Diffeological Structures. - Jean-Pierre Magnot; Enrique G. Reyes (Symmetry, 2024)