1. D.P. Bertsekas,Constrained Optimization and Lagrange Multiplier Methods (Academic, New York, NY, 1982).
2. C. Chen and O.L. Mangasarian, A class of smoothing functions for nonlinear and mixed complementarity problems,Computational Optimization and Applications 5 (1996) 97–138.
3. F.H. Clarke.Optimization and Nonsmooth Analysis (Wiley, New York, NY, 1983).
4. R.W. Cottle, J.-S. Pang and R.W. Stone.The Linear Complementarity Problem (Academic, New York, NY, 1992).
5. T. De Luca, F. Facchinei and C. Kanzow. A semismooth equation approach to the solution of nonlinear complementarity problems,Mathematical Programming 75 (1996) 407–439.