@book{PPN587689498, title = {Geometrie des Raumes Theil 2}, series = {GDML\_Books}, publisher = {Teubner}, address = {Leipzig}, year = {1874}, language = {de}, url = {http://dml.mathdoc.fr/item/PPN587689498} }
Schlömilch, Oskar. Geometrie des Raumes Theil 2. GDML_Books (1874), http://gdmltest.u-ga.fr/item/PPN587689498/