Fucci, GuglielmoGesztesy, FritzLittlejohn, Lance L.Nichol, RogerNichols, RogerStanfill, Jonathan2022-11-042022-11-0420220003-6811http://hdl.handle.net/10342/11702en-USThe Krein–Von Neumann Extension RevisitedArticle10.1080/00036811.2021.1938005