@article{PPN592509583+DMDLOG_0006, title = {Zweiter Abschnitt.}, booktitle = {Stereometrie Theil 4}, series = {GDML\_Books}, publisher = {Hirt}, address = {Breslau}, year = {1882}, pages = {19}, url = {http://dml.mathdoc.fr/item/PPN592509583+DMDLOG_0006} }
(éd.). Zweiter Abschnitt., dans Stereometrie Theil 4, GDML_Books, (1882), p. 19. http://gdmltest.u-ga.fr/item/PPN592509583+DMDLOG_0006/