Extremality of Families of Sets and Set-Valued Optimization Authors Nguyen Duy Cuong, Alexander Y. Kruger & Nguyen Hieu Thao Publication year 2025 Index (WoS/Scopus) WoS Publisher Springer Journal Set-Valued and Variational Analysis Link https://link.springer.com/article/10.1007/s11228-025-00751-9