@unpublished{HeitschHenrionKleinertetal.2021, author = {Heitsch, Holger and Henrion, Ren{\´e} and Kleinert, Thomas and Schmidt, Martin}, title = {On Convex Lower-Level Black-Box Constraints in Bilevel Optimization with an Application to Gas Market Models with Chance Constraints}, url = {https://opus4.kobv.de/opus4-trr154/371}, pages = {34}, year = {2021}, language = {en}, type = {Preprint}, institution = {TRR 154} }