The following publications are possibly variants of this publication:
- On Linear and Linearized Generalized Semi-Infinite Optimization ProblemsJan-J. Rückmann, Oliver Stein. anor, 101(1-4):191-208, 2001. [doi]
- Generalized semi-infinite optimization: A first order optimality condition and examplesHubertus Th. Jongen, Jan-J. Rückmann, Oliver Stein. mp, 83:145-158, 1998.
- First-Order Optimality Conditions for Degenerate Index Sets in Generalized Semi-Infinite OptimizationOliver Stein. mor, 26(3):565-582, 2001. [doi]
- Smoothing by mollifiers. Part I: semi-infinite optimizationHubertus Th. Jongen, Oliver Stein. jgo, 41(3):319-334, 2008. [doi]