@Book{Perron1972,
author  = "Perron, Oskar",
title   = "Der Jacobi'sche Kettenalgorithmus in einem kubischen Zahlenkörper",
year    = "1972",
address = "München",
series  = "Sitzungsberichte",
volume  = "1971,2",
url     = "https://publikationen.badw.de/de/014578664",
}