Search for: [Subject and Keywords = asymptotic expansion approximation] OR [Subject and Keywords = backward difference operator] OR [Subject and Keywords = trapezoidal method] OR [Subject and Keywords = piecewise uniform Shishkin mesh] OR [Title = A robust computational technique for a system of singularly perturbed reaction\-diffusion equations] OR [Creator = Kumar, Vinod] OR [Creator = Bawa, Rajesh K.] OR [Creator = Lal, Arvind K.]