1. J. Nocedal and S. Wright, Numerical Optimization (Springer, New York, 2006).
2. J.-F. Bonnans, J. Gilbert, C. Lemaréchal, and C. Sagastizábal, Numerical Optimization: Theoretical and Practical Aspects (Springer-Verlag, Berlin, Heidelberg, 2006).
3. A. Izmailov and M. Solodov, Newton-Type Methods for Optimization and Variational Problems (Springer, New York, 2014).
4. An Exact Penalization Viewpoint of Constrained Optimization
5. F. Clarke, Optimization and Nonsmooth Analysis (Wiley-Interscience, New York, 1983).