@book{PPN592286150, title = {Arithmetik und Algebra Abth. 1}, series = {GDML\_Books}, publisher = {Hahn}, year = {1844}, language = {de}, url = {http://dml.mathdoc.fr/item/PPN592286150} }
Ludowieg, Johann Carl Hermann. Arithmetik und Algebra Abth. 1. GDML_Books (1844), http://gdmltest.u-ga.fr/item/PPN592286150/