@book{PPN589815970, title = {Die Arithmetik und Algebra Band 1}, series = {GDML\_Books}, publisher = {Hahn}, year = {1862}, language = {de}, url = {http://dml.mathdoc.fr/item/PPN589815970} }
Helmes, Joseph. Die Arithmetik und Algebra Band 1. GDML_Books (1862), http://gdmltest.u-ga.fr/item/PPN589815970/