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The second edition of the book "Roos, Stynes, Tobiska -- Robust NumericalMethods for Singularly Perturbed Differential Equations" appeared many yearsago and was for many years a reliable guide into the world of numerical methodsfor singularly perturbed problems. Since then many new results came into thegame, we present some selected ones and the related sources.

Robust Numerical Methods for Singularly Perturbed Differential Equations--Supplements