1. A Hybrid Asymptotic-Finite Element Method for Stiff Two-Point Boundary Value Problems
2. Doolan, E. P., Miller, J. J. H. and Schilders, W. H. A. 1980. “Uniform Numerical Methods for Problems with Initial and Boundary Layers”. Dublin: Boole Press.
3. Krishnamurthy, E. V. and Sen, S. K. 1986. “Numerical Algorithms”. New Delhi: Affiliated East West Press Ltd.
4. Smith, D. R. 1985. “Singular Perturbation Theory”. Cambridge: Cambridge University Press.