00731nac# 2200241 i 450 VAN0003048620251117020327.491439--738202196-992220041215a1989 |0itac50 baDE|||| |||||b||||||||||Springer monographs in mathematicsBerlin [etc.]Springer1989-VAN00240975SMMBerlinVANL000066Springer <editore>VANV108073650ITSOL20251121RICAhttps://www.springer.com/series/3733https://www.springer.com/series/3733VAN00030486Springer monographs in mathematics1574193UNICAMPANIA