TY - BOOK A3 - Maier-Paape, Stanislaus A3 - Zhu, Qiji TI - Special Issue "Portfolio Theory, Financial Risk Analysis and Applications" JO - Risks : open access journal SN - 2227-9091 CY - Basel PB - MDPI M1 - RWTH-2025-02760 SP - 1 Online-Ressource PY - 2025 LB - PUB:(DE-HGF)3 UR - https://publications.rwth-aachen.de/record/1006839 ER -