1. Symmetry for degenerate parabolic equations;Alessandrini;Arch. Ration. Mech. Anal.,1989
2. Symmetrization properties of parabolic equations in symmetric domains;Babin;J. Dynam. Differential Equations,1994
3. Symmetry and monotonicity of solutions to some variational problems in cylinders and annuli;Brock;Electron. J. Differential Equations,2003
4. Spatial Ecology Via Reaction–Diffusion Equations;Cantrell,2003