Necessary optimality conditions for optimistic bilevel programming problems using set-valued programming. - Stephan Dempe; Maria Pilecka (J. Glob. Optim., 2015)

Optimality Conditions for Set-Valued Optimisation Problems Using a Modified Demyanov Difference. - Stephan Dempe; Maria Pilecka (J. Optim. Theory Appl., 2016)

Set Approach for Set Optimization with Variable Ordering Structures Part I: Set Relations and Relationship to Vector Approach. - Gabriele Eichfelder; Maria Pilecka (J. Optim. Theory Appl., 2016)

Set Approach for Set Optimization with Variable Ordering Structures Part II: Scalarization Approaches. - Gabriele Eichfelder; Maria Pilecka (J. Optim. Theory Appl., 2016)