@Book{Buchner1978,
author  = "Buchner, Klaus",
title   = "Affinzusammenhänge in symplektischen Räumen",
year    = "1978",
address = "München",
series  = "Sitzungsberichte",
volume  = "1977,2",
url     = "https://publikationen.badw.de/en/003384273",
}