1. Horst, R., andTuy, H. Global Optimization: Deterministic Approaches, Springer Verlag, New York, New York, 1990.
2. Hartwig, H.,On Generalized Convex Functions, Optimization, Vol. 14, pp. 49–60, 1983.
3. Hu, T. C., Klee, V., andLarman, D.,Optimization of Globally Convex Functions, SIAM Journal on Control and Optimization, Vol. 27, pp. 1026–1047, 1989.
4. Hiriart-Urruty, J. B.,From Convex Optimization to Nonconvex Optimization, Part 1: Necessary and Sufficient Conditions for Global Optimality, Nonsmooth Optimization and Related Topics, Edited by F. H. Clarke, V. F. Demyanov, and F. Giannessi, Plenum Press, New York, New York, 1989.
5. Clarke, F. H.,Optimization and Nonsmooth Analysis, Les Publications CRM, Montréal, Québec, Canada, 1989.