@Book{Lindemann1923,
author  = "Lindemann, Ferdinand",
title   = "Konforme Abbildung von Kegelschnittpolygonen",
year    = "1923",
address = "München",
series  = "Sitzungsberichte",
volume  = "1923,4",
url     = "https://publikationen.badw.de/de/003399303",
}