@book
{TN_libero_mab2,
author = {
Pipping, Nils
},
title = {
Über die Elemente der Diagonalkettenbrüche
},
publisher = {Åbo Akad.},
year = {1954},
booktitle = {Acta Academiae Aboensis ; Mathematica et physica ; 19,6},
address = {
Åbo
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}