1. Uniform Numerical Methods for Problems with Initial and Boundary Layers;Doolan,1980
2. Robust Computational Techniques for Boundary Layers;Farrell,2000
3. Error Propagation for Difference Methods;Henrici,1963
4. Fitted Numerical Methods for Singular Perturbation Problems;Miller,1996
5. Numerical Solution of Convection-Diffusion Problems;Morton,1996