Asymptotic expansions for two singularly perturbed convection-diffusion problems with discontinuous data: 

	the quarter plane and the infinite strip. Studies in Applied Mathematics. 2004   full text

   Analytic Approximations for a singularly perturbed convection-diffusion problem with discontinuous data in a half-infinite strip. 

	Acta Applipandae Mathematicae. 2004    full text

   Asymptotic Approximations for a singularly perturbed convection-diffusion problem with discontinuous data in a sector. 

	Journal of Computational and Applied Mathematics. 2005    full text

   Asymptotic Approximations of singularly perturbed convection-diffusion problems with discontinuous derivatives of the Dirichlet 

	data. Quarterly of Applied Mathematics. 2005    full text

   First Order Approximation of an Elliptic 3D Singular Perturbation Problem. Studies in Applied Mathematics. 2006   full text

   The role of the error function in a singularly perturbed convection-diffusion problem in a rectangle with corner singularities. 

	Proceedings of the Royal Society of Edinburgh. 2007    full text

   Asymptotic behaviour of three-dimensional singularly perturbed convection-diffusion problems with discontinuous data. 

	Journal of Mathematical Analysis and Applications. 2008	  full text

   A singular perturbation problem in a cuboid with discontinuous data. IMA J. Appl. Math. 2008	 prensa