G. I. Shishkin
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A higher-order scheme for quasilinear boundary value problems with two small parameters
Computing
The layer-resolving transformation and mesh generation for quasilinear singular perturbation problems
Journal of Computational and Applied Mathematics
Improved Difference Scheme for a Singularly Perturbed Parabolic Reaction-Diffusion Equation with Discontinuous Initial Condition
Numerical Analysis and Its Applications