Optimal Product Portfolio Design by Means of Semi-infinite Programming. - Helene Krieg; Jan Schwientek; Dimitri Nowak; Karl-Heinz Küfer (OR, 2019)

Modeling and Solution of Continuous Set Covering Problems by Means of semi-infinite Optimization. - Helene Krieg (Fraunhofer Verlag, 2020)

Solving continuous set covering problems by means of semi-infinite optimization. - Helene Krieg; Tobias Seidel; Jan Schwientek; Karl-Heinz Küfer (Math. Methods Oper. Res., 2022)