Constrained extremum problems with infinite dimensional image. Selection and saddle point. - Khaldia Madani; Giandomenico Mastroeni; Andreea Moldovan (J. Glob. Optim., 2008)

On Regularity for Constrained Extremum Problems. Part 1: Sufficient Optimality Conditions. - Andreea Moldovan; Letizia Pellegrini (J. Optimization Theory and Applications, 2009)

On Regularity for Constrained Extremum Problems. Part 2: Necessary Optimality Conditions. - Andreea Moldovan; Letizia Pellegrini (J. Optimization Theory and Applications, 2009)