Préface.
Text Tome 2, GDML_Books, (1891), / Harvested from
Access to full text 
@article{PPN600804577+DMDLOG_0002,
     title = {Pr\'eface.},
     booktitle = {Text Tome 2},
     series = {GDML\_Books},
     publisher = {Gauthier-Villars},
     year = {1891},
     url = {http://dml.mathdoc.fr/item/PPN600804577+DMDLOG_0002}
}

 (éd.). Préface., dans Text Tome 2, GDML_Books,  (1891), . http://gdmltest.u-ga.fr/item/PPN600804577+DMDLOG_0002/