@book{id_9988,
author = "Maurer, Ludwig",
title = "Allgemeinere Invarianten-Systeme",
year = "1888",
address = "München",
publisher = "Verl.d.K.Akad.",
series = "Sitzungsbericht der Bayerischen Akademie der Wissenschaften",
volume = "1888,7.",
url = "http://publikationen.badw.de/de/003391614",
}