1. 1. C. Clavero, J. C. Jorge, F. Lisbona, Uniformly convergent scheme on a nonuniform mesh for convection-diffusion parabolic problems, J. Comput. Appl. Math. 154 (2003) 415-429.
2. 2. J.I. Ramos, An exponentially fitted method for singularly pertubed, one-dimensional, parabolic problems, Appl. Math. Comput. 161 (2005) 513-523.
3. 3. K. Surla, V. Jerkovic, Some possibilities of applying spline collocations to singular perturbation problems. Numerical Methods and Approximation Theory, vol. II, Novisad, 1985, pp. 19-25.
4. 4. A. Friedman, Partial Differential Equation of Parabolic Type, Robert E. Krieger Publiching Co., Huntington, NY, (1983).
5. 5. O. A. Ladyzenskaja, V. A. Solonnikov, N.N.Ural'ceva, Linear and Quasilinear Equations of Parabolic Type, In: Amer. Math. Soc. Transl., Vol. 23, Providence, RI, (1968).