Discrete approximation for a two-parameter singularly perturbed boundary value problem having discontinuity in convection coefficient and source term.
J. Comput. Appl. Math., 2019
A parameter robust higher order numerical method for singularly perturbed two parameter problems with non-smooth data.
J. Comput. Appl. Math., 2017
Hybrid difference scheme for singularly perturbed reaction-convection-diffusion problem with boundary and interior layers.
Appl. Math. Comput., 2017