1. A multidimensional upwind scheme with no crosswind diffusionin;Hughes,1979
2. Choosing bubbles for advection-diffusion problems;Brezzi;Math. Models Methods Appl. Sci.,1994
3. Introduction to adaptive methods for differential equations;Eriksson,1995
4. Numerical Solution of Convection-Diffusion Problems;Morton,1996
5. Numerical Methods for Singularly Perturbed Differential Equations;Roos,1996