Spichtinger, PeterRosemeier, Juliane2020-12-032020-12-032020https://openscience.ub.uni-mainz.de/handle/20.500.12030/5396gerCC-BY-4.0https://creativecommons.org/licenses/by/4.0/510 Mathematik510 MathematicsDissertationxvi, 171 Seiten