@Book{Bauer1872,
author  = "Bauer, Gustav",
title   = "Von einem Kettenbruche Euler's und einem Theorem von Wallis",
year    = "1872",
address = "München",
series  = "Abhandlungen",
volume  = "Bd. 11, Abth. 2 = [11]",
url     = "https://publikationen.badw.de/en/003082952",
}