1. Geometric Nonlinear Functional Analysis, vol. 1;Benyamini,2000
2. Kuhn–Tucker conditions and integral functionals;Bourass;J. Convex Anal.,2001
3. Limiting subdifferentials of indefinite integrals;Chieu;J. Math. Anal. Appl.,2008
4. Optimization and Nonsmooth Analysis;Clarke,1983
5. Modern Methods in the Calculus of Variations: Lp Spaces, vol. I;Fonseca,2007