@Book{Perron1974,
author  = "Perron, Oskar",
title   = "Der Jacobi'sche Kettenalgorithmus in einem kubischen Zahlenkörper",
year    = "1974",
address = "München",
series  = "Sitzungsberichte",
volume  = "1973,2",
url     = "https://publikationen.badw.de/en/003896096",
}