@Book{Fedorov1900,
author  = "Fedorov, Evgraf S.",
title   = "Reguläre Plan- und Raumtheilung",
year    = "1900",
address = "München",
series  = "Abhandlungen",
volume  = "Bd. 20, Abth. 2 = [3]",
url     = "https://publikationen.badw.de/en/003071160",
}