1. Kuto, K., Yamada, Y.: Coexistence problem for a prey–predator model with density-dependent diffusion. Nonlinear Anal. 71(12), e2223–e2232 (2009)
2. Ni, W.M.: Diffusion: self-diffusion, cross-diffusion and their spike-layer steady states. Not. Am. Math. Soc. 45, 9–18 (1998)
3. Okubo, A.: Diffusion and Ecological Problems: Mathematical Models. Springer, Berlin (1980)
4. Pang, P.Y.H., Wang, M.X.: Strategy and stationary pattern in a three-species predator–prey model. J. Differ. Equ. 200(2), 245–273 (2004)
5. Du, Y.H., Shi, J.P.: Some recent results on diffusive predator–prey models in spatially heterogeneous environment. In: Nonlinear Dynamics and Evolution Equations Fields Institute Communications, vol. 48, pp. 95–135. Am. Math. Soc., Providence (2006)