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The theory of subgradients and its applications to problems of optimization : convex and nonconvex functions
Rockafellar, Ralph Tyrrell, (1981)
Generalized convexity and generalized monotonicity : proceedings of the 6th International Symposium on Generalized Convexity/Monotonicity, Samos, September 1999
Hadjisavvas, Nicolas, (2001)
Analysis, controllability and optimization of time-discrete systems and dynamical games
Krabs, Werner, (2003)
The continuous maximum principle : a study of complex systems optimization
Fan, Liang-tseng, (1966)
Optimization of equipment investment
Hwang, Ching-Lai, (1971)