2017-09-122017-09-122006MOTA, J. C. da; SCHECTER, S. Combustion fronts in a porous medium with two layers. Journal of Dynamics and Differential Equations, Nova York, v. 18, n. 3, 2006.http://repositorio.bc.ufg.br/handle/ri/12426engAcesso AbertoReaction–diffusion–convection systemTraveling waveNonhyperbolic equilibriumGeometric singular perturbation theoryMelnikov integralCombustion fronts in a porous medium with two layersArtigo10.1007/s10884-006-9019-0