1. Introduction to Singular Perturbations;O’Malley,1974
2. Singular Perturbations for Ordinary Differential Equations;O’Malley,1991
3. Singular Perturbation Methods in Control: Analysis and Design;Kokotovic,1986
4. Parallel Algorithms for Optimal Control of Large Scale Linear Systems;Gajic,1993
5. Optimal Control of Linear Singularly Perturbed Systems and Applications: High Accuracy Techniques;Gajic,2001