@article{PPN58470691X+DMDLOG_0003, title = {A. Geometrie.}, booktitle = {Geometrie und Trigonometrie Abth. 2}, series = {GDML\_Books}, publisher = {Lampart}, address = {Augsburg}, year = {1851}, pages = {1}, url = {http://dml.mathdoc.fr/item/PPN58470691X+DMDLOG_0003} }
(éd.). A. Geometrie., dans Geometrie und Trigonometrie Abth. 2, GDML_Books, (1851), p. 1. http://gdmltest.u-ga.fr/item/PPN58470691X+DMDLOG_0003/