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Gordoa, PR, “A method of reduction of order for discrete systems”, Journal of Mathematical Physics, 50:5 (2009), 053513
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P. R. Gordoa, A. Pickering, Z. N. Zhu, “New 2+1 dimensional nonisospectral Toda lattice hierarchy”, Journal of Mathematical Physics, 48:2 (2007)
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Gordoa, PR, “Integration via modification: A method of reduction of order for systems of ordinary differential equations”, Publications of the Research Institute For Mathematical Sciences, 42:1 (2006), 9
Pilar R. Gordoa, Andrew Pickering, Zuo-nong Zhu, “A 2 + 1 non-isospectral integrable lattice hierarchy related to a generalized discrete second Painlevé hierarchy”, Chaos, Solitons & Fractals, 29:4 (2006), 862
Pickering, A, “Dirichlet series and the integrability of multilinear differential equations”, Journal of Mathematical Physics, 46:4 (2005), 043504
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P.R. Gordoa, A. Pickering, J. Prada, “Non-isospectral scattering problems and truncation for hierarchies: Burgers and dispersive water waves”, Physica A: Statistical Mechanics and its Applications, 345:1-2 (2005), 35
Decio Levi, Miguel A Rodríguez, “Lie discrete symmetries of lattice equations”, J. Phys. A: Math. Gen., 37:5 (2004), 1711
A. Pickering, “Painlevé Hierarchies and the Painlevé Test”, Theoret. and Math. Phys., 137:3 (2003), 1733–1742
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