@Book{Bauer1958,
author  = "Bauer, Heinz",
title   = "Über die Fortsetzung positiver Linearformen",
year    = "1958",
address = "München",
series  = "Sitzungsberichte",
volume  = "1957,11",
url     = "https://publikationen.badw.de/en/003383970",
}