@book{PPN590106139, title = {G\'eometrie et g\'eometrie descriptive Tome 2}, series = {GDML\_Books}, publisher = {Gauthier-Villars}, year = {1893}, language = {fr}, url = {http://dml.mathdoc.fr/item/PPN590106139} }
Laisant, Charles Ange. Géometrie et géometrie descriptive Tome 2. GDML_Books (1893), http://gdmltest.u-ga.fr/item/PPN590106139/