@book
{TN_libero_mab2,
author = {
Dedekind, Richard
},
title = {
Was sind und was sollen die Zahlen
},
edition = {
9., unveränd. Aufl.
}
,
publisher = {Vieweg},
keywords = {
Zahlbegriff
},
year = {1961},
address = {
Braunschweig
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}