1. Applications of singular perturbation techniques to control problems;Kokotović;SIAM Rev.,1984
2. Robust numerical methods for singularly perturbed differential equations;Roos,2008
3. Discrete spline solution of singularly perturbed problem with two small parameters on a Shishkin-type mesh;Zahra;Comput. Math. Model.,2018
4. A singularly perturbed problem with two parameters on a Bakhvalov-type mesh;Brdar;J. Comput. Appl. Math.,2016
5. High-order finite element method on a Bakhvalov-type mesh for a singularly perturbed convection–diffusion problem with two parameters;Zhang;Appl. Math. Comput.,2021