1. Variational Analysis;Rockafellar,1998
2. Variational Analysis and Generalized Differentiation, I: Basic Theory, II: Applications;Mordukhovich,2006
3. Nonsmooth Vector Functions and Continuous Optimization;Jeyakumar,2008
4. Convex Analysis;Rockafellar,1970
5. Vector Optimization;Jahn,2004