@book{PPN588377538, title = {Die Rechenkunst und Algebra enthaltend Bd. 1}, series = {GDML\_Books}, publisher = {Beck}, address = {Wien}, year = {1821}, language = {de}, url = {http://dml.mathdoc.fr/item/PPN588377538} }
Vega, Georg. Die Rechenkunst und Algebra enthaltend Bd. 1. GDML_Books (1821), http://gdmltest.u-ga.fr/item/PPN588377538/