,
Belarus
Computational Methods in Applied Mathematics
Scientific Computing

Hemker, P., Shishkin, G., & Shishkina, L. P. (2003). Novel Defect-Correction High-Order, in Space and Time, Accurate Schemes for ParaboliC Singularly Perturbed Convection-Diffusion Problems. Computational Methods in Applied Mathematics, 3(3), 387–404.