@book
{TN_libero_mab2,
author = {
Demmig, Richard
},
title = {
Repetitorium der höheren Mathematik
3 Differentialgleichungen
},
edition = {
5. Aufl.
}
,
publisher = {Demmig},
year = {1943},
address = {
Darmstadt
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}