1. Driven diffusive systems with a moving obstacle: a variation on the Brazil nuts problem;Alexander;J Phys,1990
2. On the drift and diffusion of a rod in a lattice fluid;Alexander;J Phys,1994
3. On a quasilinear parabolic equation occurring in aerodynamics;Cole;J Math Appl,1988
4. Homotopy perturbation technique;He;Comput Methods Appl Mech Eng,1999
5. Homotopy perturbation method: a new nonlinear analytical technique;He;Appl Math Comput,2003