P. S. Bindu, M. Lakshmanan, M. Senthilvelan. On the Integrability, BÄcklund Transformation and Symmetry Aspects of a Generalized Fisher Type Nonlinear Reaction-diffusion equation. I. J. Bifurcation and Chaos, 14(5):1577-1600, 2004. [doi]
Abstract is missing.